Holley sniper map sensor location. '92 Ford Mustang GT: 385"/6.

Holley sniper map sensor location Follow the wiring diagram provided by Holley to ensure accurate connections. The 558-416 is an adapter harness that can be used to adapt any LS harness that uses an LS1/2 MAP sensor connection to an LS3 MAP. 4K views 10 replies 2 participants last post by 78 Elk Nov 8, 2022. 14760 posts · Joined 2004 Add to quote; Only show this user #1 · Oct 21, 2022. This 555 BBC Turbo – 555 cubic inch Big Block Chevy. My concern is the o2 sensors. Manufacturer's Part Number: 550-511-3XR. I'd before using it with the Oxygen sensor included in the Sniper EFI system. Is there a way to sync. Unfortunately, it is also one of the weakest links. 4. Remove MAP sensor from the factory intake manifold and set aside. Categories. Also great for use with LS Hi-Ram intakes that require an LS3 MAP sensor. Clean throttle body and set aside if Keep in mind that all systems have a tolerance. All Time Today Last Week Last Month. Low-Powered Signals On the other hand, low-powered signals (like the Wideband O2 sensor), signals that generate their own power (like the magnetic pickup in a distributor), and resistance-based sensors (like the Throttle Position Sensor) can be terribly Holley's Sniiper EFI kit for the Autolite 1100 is awesome, and we can't wait to get it installed! However, this is a new kit from Holley, and it was The pressure inside the intake manifold is an extremely important input to the ECU. The Sniper EFI IAT sensor is a circuit board sensor that measures one throttle bore. 623" lift 114° LSA H/R camshaft, Trick Flow I'm trying to find where my MAP sensor should be reading at idle. That makes two in less than 1,000 miles. There's a sensor at the front of the manifold (truck style) that may be a MAT sensor, but the plug won't work, sensor is bigger than the Holley connector. The Sniper EFI calibrates the TPS sensor at every key-on event. Please be aware that this is a community forum. (Yes, even though the Sniper EFI uses a 2 bar MAP sensor). Filter. com You are browsing camaro5 Trying to diagnose a flooding issue with my Super Sniper 650 and believe I've narrowed it to a defective MAP sensor. Line Pressure Scale – Chooses whether the MAP (Manifold Air Pressure) sensor or TPS (Throttle Position Sensor) is used for the line pressure table. Holley Performance Products has written this manual for the installation of the Sniper EFI TBI fuel injection system. I have a Street Warrior intake with several 5/8" options for the coolant temperature sensor. Part # 558-416 will be required when using a Holley EFI system. Sniper EFI MAP Sensor 2. Your dash gauge would still be Delivering to Lebanon 66952 Update location All. 6 32 valve with Sniper ll on a Sullivan manifold with tube headers. If the sensor location for the dash gauge gives a more accurate reading, why not use that location for the Sniper CTS? It's important for Sniper to have accurate data whenever possible. MAP kPa is labeled on the left side of the Calibration Curve table (Sensors ICF). the Sniper The TPS sensor is located at the end of the primary throttle shaft, opposite end of the throttle lever. I wouldn't call this RMI or EMI just yet. CTS Sensor: Standard Motor Products TX3 TPS Sensor: Standard Motor Products TH191 IAC Motor: Standard Motor Products AC416 WBO2 Sensor: Bosch 17025, 0258017025 (LINK/LINK/LINK/LINK) (The Sniper EFI 2 bar MAP sensor is internal with the ECU. To me it looks like a table misconfiguration and the ECU is trying to Holley Sniper Service Parts/Accessories available separately: Fuel Rail Kits: 850002 – GM LS3/L92 Fuel Rail Kit, High Volume 850013 – GM LS3/L92 Fuel Rail Kit, High Volume (For OE Manifold) Throttle Body Spacer: 860011 – GM LS3/L92 92mm Silver Throttle Body Spacer 860012 – GM LS3/L92 92mm Black Throttle Body Spacer 860013 – GM LS3/L92 102mm Silver I think your out of luck unless you are willing to dig in and remove the factory MAP sensor, tie into the wires and setup an external (universal) MAP sensor. 12-29-2019, 10:52 PM. Thus, Holley can not guarantee an answer or timing on an answer. Volts - PSIG - kPa Holley Performance Products has written this manual for the installation of the Sniper EFI TBI fuel injection system. In my personal experience, my out of the box Holley Sniper O2 sensor was erratic and caused me all kind of tuning issues from the get go. Hello all. of boost. 5 volts (-14. Every Sniper EFI System is tested for functionality before it leaves our facility Also, if you’re using a MAP sensor for line-pressure control, such as with a forced-induction setup, a MAP sensor will have to be added to the system. It's slotted, so install it in the same position. Utilizes Stock attaching points In the manual it says, "Locate a position for the wideband oxygen sensor as close to the engine as possible. Not Yet Reviewed. 5-bar: MAP - Amazon. 5” Touch Screen Controller 1 553-115 Includes harness to connect directly to CAN connector 10 Output Harness 1 Buy Holley Sniper EFI 870021 Sniper EFI MAP Sensor 2. NOTE: Terminator X and X Max ECU’s have an internal 1 bar MAP sensor. T sensor wire to the MAT located in the intake manifold. ” The only discernible difference between the two sensors is the bulb protective cage. Originally Posted by Holley V2 EFI Software Update Overview (When Holley EFI began using a Volumetric Efficiency % Table. These quality replacements are sure to do the trick! Warranty. The throttle body has the TPS, IAC, and MAP sensors. 115 posts · Joined 2017 Add to quote; Only show this user #1 · Jan 17, 2019. At WOT the timing is 36°. I was thinking to put the WBO2 sensor straight in the middle of The MAP is reading 101 kPa before cranking which is a normal number, so I don't think the MAP sensor is dead, but it should still be confirmed with a gauge. Product Line: Holley Sniper 2 EFI 650 HP Return-Type Fuel Injection Systems. I'd disable the setting that adjusts the timing automatically for best idle and take a good look at your timing table. But when I load an LSx Config File, Im able to see many more options for MAP sensors in the drop down, including the sensor I have (GM 55573248, which replaces 12591290). Internally, the throttle body is fitted with four injectors (just like the Stealth system). 5” Touch Screen Controller 1 553-115 Includes harness to connect directly to CAN connector 10 Output Harness 1 558-491 Shutdown, Electric Fan #1 Output, and/or 820031-1 Sniper EFI Fabricated Intake Manifold LS1/LS2/LS6 92mm TB opening w/MAP Sensor provision + Fuel Rail Kit Silver Finish Holley Sniper EFI manifold series are designed for GM LS Gen III and IV engines. We looked at the crank and cam signals and they were solid. 623" lift 114° LSA H/R camshaft, Trick Flow R-Series Sniper EFI Replacement Sensors - Auto Parts Store CTS Sensor: Standard Motor Products TX3 TPS Sensor: Standard Motor Products TH191 IAC Motor: Standard Motor Products AC416 WBO2 Sensor: Bosch 17025, 0258017025 (LINK/LINK/LINK/LINK) (The Sniper EFI 2 bar MAP sensor is internal with the ECU. Share this product . Also, with Headers you loose 600 to 700 degrees between Head and bottom collector, you don't want to read that loss. If you have a typical 4150 or 4500 style throttle body use one The map sensor should read 95-102 with engine off. Ignition: Holley HyperSpark kit, NGK plugs (new), 8mm wires These sensors (which includes the coolant temperature and MAP sensors) receive a 5-volt source and ground. I try to show you wha Proceed to connect the various sensor wires provided in the Holley Sniper EFI wiring harness. Thanks. If you have long tube headers, mount the WBO2 sensor approximately 6-10” after the The magnum has a crank sensor on the back of the block that doesn't require being "blocked". 623" lift 114° LSA H/R camshaft, before using it with the Oxygen sensor included in the Sniper EFI system. 5 Bar; Applications Up to 25 lbs. The Target Air/Fuel Ratio Table & Pressure (MAP) sensor, Throttle Position Sensor (TPS), Manifold Air Temp Sensor (MAT), and an Idle Air Control Valve (IAC) 5 Air Cleaner Gasket 1 9 3. On 6. Delivering to Nashville 37217 Update location Industrial & Scientific. If your TPS uses a different connector, replace the one on the harness. Select the department you Holley Sniper 2 EFI 650 HP Base Fuel Injection Systems with Power Distribution Module 550-510-BPX-SBC SNE-550510BPXSBC. Holley uses brass and Delphi uses a non-metallic material. These sensors provide important data to the EFI system, allowing it to make adjustments to the fuel and ignition timing. Administrator Check for ignition misfires/RPM signal problems, exhaust leak upstream of WBO2 sensor, or if the WBO2 sensor (or other sensor) has failed and corrupted the Learn Table. 34. 15. Skip to main content . They took everything that they learned from the original Sniper EFI system and added new features that will make your EFI Part Number: 870021. 5-bar : Amazon. All of these intake manifolds are designed to Select Location. FYI: The new V4 EFI software Preferences (top Toolbar) now states "Display MAP as PSIG". 5 - 4. 1L and 6. This sensor will handle applications up to 25 lbs. 050 solid roller cam - Dart 320 heads - 160 lb/hr Bosch injectors – Ignition type set to Holley DIS. This bung location needs to be verified before using it with the Oxygen sensor included in the Sniper EFI system. Skip to main content. What to Look for in an EFI Kit. otherwise it's all over the place. Hey guys, I am installing the holley efi at the moment. List: $34. The Sniper with the Holley sensor may be 0 to 100 plus or minus three percent (three percent is an example, some sensor suppliers will give you this number). Categories; New & Hot Products; Engine Swap Parts I'm using a Holley 550-917 Terminator X Max system for a 2005 LQ4 swap into a 1985 Corvette. Cart All. So moving it slightly to align the sensor in a slightly different position can help sometimes Buy Holley EFI 554-135 7 Bar MAP Sensor: MAP - Amazon. The wideband oxygen sensor should be mounted at a point where it can read a good average of all the cylinders on one bank. However, there's no calibrating it by moving it because the Sniper does a TPS zero Autoset on every key off & on. Step 5: Wire the Ignition and Coil TPS – The TPS connector is a common style used for a variety of Throttle Position Sensors. See the added pics. 5-bar. It incorporates a built-in fuel-pressure regulator (pre-set at 58. 25 posts · Joined 2014 Add to quote; Only show this user #1 · May 1, 2018. Sniper Stealth 4500 (550-841 Shiny, 550-842 Black, & 550-843 Gold) QUICKSTART MANUAL SNIPER EFI INSTALLATION INSTRUCTIONS Congratulations on your purchase of a new Sniper EFI Throttle Body System built by craftsmen to exacting standards in our Bowling Green, Kentucky facility. For naturally aspirated & nitrous engines, you can connect the 1 bar MAP sensor located on the ECU to an available intake manifold port by using the appropriately Originally Posted by Danny Cabral Sniper EFI Replacement Sensors - Auto Parts Store CTS Sensor: Standard Motor Products TX3 TPS Sensor: Standard Motor Products TH191 IAC Motor: Standard Motor Products AC416 WBO2 Sensor: Bosch 17025, 0258017025 (LINK/LINK/LINK/LINK) (The Sniper EFI 2 bar MAP sensor is internal with the ECU. 302 Ford Turbo – 302 Ford GT40 crate engine - 2 Bar MAP sensor - Single 66mm turbo - 66 lb/hr Holley injectors - Ignition type set to Ford TFI. Contact Holley Tech Service . stevenjasmin Discussion starter. 623" lift/114° LSA H/R Originally Posted by Danny Cabral Sniper EFI Replacement Sensors - Auto Parts Store CTS Sensor: Standard Motor Products TX3 TPS Sensor: Standard Motor Products TH191 IAC Motor: Standard Motor Products AC416 WBO2 Sensor: Bosch 17025, 0258017025 (LINK/LINK/LINK/LINK) (The Sniper EFI 2 bar MAP sensor is internal with the ECU. Your gauge also has a range and tolerance. 5K views 4 replies 3 participants last post by MTS221993 May 5, 2018. If this is your first visit, be sure to check out the FAQ by clicking the link above. Part Number: 870021. Items You Need. Holley Sniper EFI 870021 Sniper EFI MAP Sensor 2. the MAP readings up with the 11" gauge reading which I believe is accurate? I talked to a racer at the track last weekend who was running a Holley multi point system, and his software has a "MAP sensor offset" to correct this issue, but I cannot find that screen in the Sniper software. us. When the sensor sees the first edge of the material or tooth, this trigger the sensor in a “Rising” manner. Would I mount the 534-20 MAT sensor right in the base of the air filter? And where would I put the 554-133 MAP sensor? Would that be something that I drill and tap into the intake? Also, I am wondering if the ECM requires a reading for fuel pressure? I put a mechanical Pressure (MAP) sensor, Throttle Position Sensor (TPS), and an Idle Air Control Valve (IAC) 7 Flange Gasket 1 Gasket for mounting throttle body to intake manifold. Im getting ready to switch to the Holley sniper EFI from the fox body system. '92 Ford Mustang GT: 385"/6. 6 roller rockers. I've got the Sniper EFI controlling timing with the Dual Sync distributor and what I'm finding is at cruise (2000 RPM the timing is around 20° (Idle timing set to 15°, Cruise 36°, WOT 32°). Pressure (MAP) sensor, Throttle Position Sensor (TPS), Manifold Air Temp Sensor , and an Idle Air Control Valve (IAC) 5 Air Cleaner Gasket 1 Gaskets for mounting throttle body to intake manifold 6 Open & 4 Hole Flange Gaskets 1 7 3. The MAP sensor is installed on the firewall and connected with the prewired harness as Holley sent it. Sniper EFI MAP Sensor. So to solve this problem, I put a fixed orifice PCV valve on the drivers side valve cover, along with a check valve that only allowed manifold vacuum to pull in one direction. 00 2 left in stock Lowest Price Guarantee $ + $ $ 2. ) Innovate Motorsports HBX-1 Heat-Sink Bung Extender is great for protecting the WBO2. Where is the best location for the O2 sensor? Would it be in the header collector or in the exhaust pipe after the header? Heres a picture of the same headers for reference. ;. Ideally the bung will be 6-10 inches after the collector for a true reading of all cylinders and have a minimum of 18” length past the sensor location. 5 bar MAP sensor has a linear voltage output range of . I know that the sensor has to be mounted in a downward facing position so that it can not collect water, so we can skip all that information. Delivering to Nashville 37217 Update location Sports & The pressure inside the intake manifold is an extremely important input to the ECU. It needs to be connected to a solid 12 volt source and should not be connected where May God's grace bless you in the Lord Jesus Christ. Save Share Reply Quote Like. 5-bar MAP sensor for Sniper EFI Fabricated Intake Manifolds with MAP sensor provision. I have a spare set of coils on the shelf, so I'm going to swap them just to see. Originally Posted by Danny Cabral Sniper EFI Replacement Sensors - Auto Parts Store CTS Sensor: Standard Motor Products TX3 TPS Sensor: Standard Motor Products TH191 IAC Motor: Standard Motor Products AC416 WBO2 Sensor: Bosch 17025, 0258017025 (LINK/LINK/LINK) (The Sniper EFI 2 bar MAP sensor is internal with the ECU. If the sensor is faulty, replace it with a genuine Holley part to avoid further issues. M. So, the actual true pressure may be above or below what either sensor says. 5 in the instruction book says it required to hook up the M. All of these intake manifolds are 2. 14. Check the MAP sensor adapters & hose for leaks. Temp sensor location? Collapse. Although Holley employees will take part in answering questions from time to time, your questions may or may not be answered by Holley personnel. Sniper EFI Tuning & Tech. This would be slightly after all the cylinders merge. EFI: Holley Sniper 4150 Fuel delivery: Holley '69 Camaro in tank fuel pump no return line. Looking at the datalogs and my Config File, it seems the AFR is through the roof. 7 Holley EFI systems work with 1 to 5 Bar MAP sensors. 4L engines the bolt(s) retaining the MAP sensor must be removed. Delivering to Nashville 37217 Update location Automotive Parts & Accessories. Throttle bodies work just fine on a blower since the AFR mixture gets all blended up in the blower anyway. 5-bar MAP sensor for Sniper EFI Fabricated Intake Manifolds with MAP sensor provision; The pressure inside the intake manifold is an extremely important input to the ECU. Search Amazon. Tags: None. I left enough wire length on each sensor to where I can interchange them from side to side if I want to, so as to see if both sensors have similar readings on each side of the engine. Do I just need to adjust my MAP scale on Fuel and Spark to 87 kPa along with the RPM In this video I cover how to install, calibrate, and tune protections in the Holley EFI Tuning Software for your boosted Super Sniper, Sniper X-Flow, or Snip Holley EFI LS main harnesses have a MAP sensor connecter designed for use with an LS1/2 style MAP sensor. Then on the drives side valve cover, I put an electric vacuum pump, You can then load both Config Files and compare the Learn values to see if there's one bank that is running significantly different than the other. Part Number: 510-870021. I attribute the Holley Sniper Standalone Transmission Controller Quick Start Manual 551-102 (Throttle Position Sensor) and MAP (Manifold Air Pressure) sensor. Ships QTY . Without Headers Steamers location (above) Holley sniper coolant sensor. 5” Touch Screen Controller 1 553-115 Includes harness to connect directly to CAN connector 10 Output Harness 1 I put a MAP sensor on the crankcase and found that at heavy engine load, I was getting a positive pressure in the crankcase. Please read all the WARNINGS and NOTES, as they contain valuable information that can save you time and money I couldn't make the dual Snipers work, they went back to Holley who said they were fine, but they never worked. 5-Bar MAP Sensor. $31. Jump to Latest 7. Every Sniper EFI System is tested for functionality before it leaves our facility 1 4150 Sniper Stealth EFI – 550-870, 550-870K, 550-871, 550-871K, 550-872, & 550-872K 4150 Super Sniper Stealth EFI 650 – 550-873, 550-874, & 550-875 4150 Super Sniper Stealth EFI 1250 – 550-876, 550-877, & 550-878 QUICKSTART MANUAL SNIPER STEALTH EFI INSTALLATION INSTRUCTIONS Congratulations on your purchase of a new Sniper EFI Throttle Body System Sniper EFI Tuning & Tech. 26536 posts · Joined 2005 Add to quote; Only show this user #2 · Feb 12, 2024 (Edited) [EDIT] Mine seems to be reading low at idle. Danny Cabral. Now, Holley EFI is dominating the performance world as well as our products for GM's LS engine. Holley Sniper MAP sensors respond to changes in manifold pressures and relay the information to the ECU in the form of a voltage signal ranging from 1-5 volts. MTS221993 Discussion starter. Ideally, the bung will be 6-10 inches after the collector for a true reading of all cylinders and have a minimum of 18” length past the sensor location. This will unlock the Custom #1, #2, #3 in Sensors. 5-Bar MAP Sensor; For Sniper EFI Fabricated Intake Manifolds; 1-5 V; Up to 25 lbs. The Sniper EFI IAT sensor is a circuit board sensor that Holley 2. Holley wants the sensor past the collector but it’s Replacement Throttle Position Sensor (TPS) for Sniper 85/90/92/102mm Throttle Bodies used on Sniper EFI Fabricated Manifolds for GM LS1/LS2/LS3/LS6/LS7 While trying to find the correct MAP sensor curve for my desired MAP sensor, I found that the Ford and new Config Files do not have a lot of MAP sensor options pre-populated. All that said, these components are readily available from Holley. I'm seeing a lot of weirdness with the timing. Yes, MAP sensors also measure vacuum. With the Holley Sniper MAP sensor Camaro V8 LS3 / L99 Engine, Exhaust, and Bolt-Ons Holley Sniper MAP sensor - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums - Camaro5. MAP sensor needs a constant vacuum signal from the manifold. Holiday Shop Best Sellers Prime Electronics Deals Store New Releases This sensor will respond to changes in manifold pressures and relay the information to the ECU in the form of a voltage signal ranging from 1-5 volts. A MAP sensor is typically used with boosted 4 Injector Sniper EFI XFlow (550-540 Shiny, 550-541 Black, & 550-542 Gold) 8 Injector Sniper EFI XFlow (550-544 Shiny, 550-545 Black, & 550-546 Gold) QUICKSTART MANUAL SNIPER EFI INSTALLATION INSTRUCTIONS Congratulations on your purchase of a new Sniper EFI Throttle Body System built by craftsmen Fuel Injection, Carburetion & Fuel System - Holley Sniper EFI - O2 Sensor Location Dilemma - I have a slight dilemma with mounting my O2 sensor. Three WBO2 sensors replaced over the two years and will now be installing a fourth. Holley Sniper 2 EFI 650 HP Inline Pump Fuel Injection Systems with Power Distribution Module. These replacement sensors will Today I try to explain why not to just Select a new map sensor without talking to your tuner about rescaling to fuel and timing tables. Using a 4. Brand: Holley Sniper. He also explains how to properly install them. Ready to put engine in to car and question about positioning of the Lambda sensor, knowing my car is replica GT40 MK3 version with very mild 302, but with not the traditional bundles of snakes, but more a copy of the original model. Test the MAP sensor and its vacuum/boost hose for leaks, with a Mityvac MV8510 hand vacuum/pressure pump. 2 Bar MAP sensor - 236@. Search. Blow into the MAP sensor hose if you don't have a Mityvac vacuum pump tester. In this video Holley's own Tom Kise explains oxygen sensors and where to place an 02 sensor bung in your exhaust. Holley Sniper 2 EFI Kits . Overview. Summit Racing Part Number: SNE-550-511-3XR. 4 psig/0-345 kPa). Specifications: Emission Code: 2; Product Type: MAP Sensor Sniper EFI Tuning & Tech. Lower at higher altitudes. The low voltage could also be due to where you have attached the Sniper pink ignition trigger wire. 3. ca: Automotive. This sensor will respond to changes in manifold pressures and relay the information to the ECU in the form of a voltage signal ranging from 1-5 volts. The first Pressure (MAP) sensor, Throttle Position Sensor (TPS), and an Idle Air Control Valve (IAC) 7 Flange Gasket 1 Gasket for mounting throttle body to intake manifold. Yokota AFB, Click here to enter our Small Block Ford Engine Giveaway! Motor Life Events Community Support. It should be several inches downstream of the header collector merge, so it measures from one bank of cylinders. 5” Touch Screen Controller 1 553-115 Includes harness to connect directly to CAN connector 8 Location: Silverlake, WA #42 (The Sniper EFI 2 bar MAP sensor is internal with the ECU. 5 roller rockers, Exhaust 488 with 1. I posted this over on the Holley Forum but the admin there just linked me three times to four different posts that covered Holley`s recommended position but not answering my Find many great new & used options and get the best deals for Holley 870021 Sniper Efi Map Sensor at the best online prices at eBay! Free shipping for many products! Free shipping for many products! Holley 870021 Sniper Efi Map Sensor | eBay Pressure (MAP) sensor, Throttle Position Sensor (TPS), Manifold Air Temp Sensor , and an Idle Air Control Valve (IAC) 5 Gasket Air Cleaner 1 108-73 Gaskets for mounting throttle body to intake manifold 6 Open & 4 Hole Flange Gaskets 1 108-84-2 108-99 7 1 3. To start viewing messages, select the Maybe a sensor is bad. Is there a part number for a reducer option? Tags: None. Check each product page for other buying options. Running Holley Sniper BBD. This sensor will respond to changes in manifold pressures and My Sniper EFI just pegged the WBO2 sensor, so I'm ordering one from Amazon. Holley has been the undisputed leader in fuel systems for over 100 years. Sort by Oldest first Oldest first Newest first Most reactions. Then if you prefer to view its display as PSIG, select it in the Toolbox Preferences. Coolant temp is in the intake manifold. There are LS Intake Manifolds available for each of the three GM OE LS cylinder head types, LS1/2/6 (cathedral port), LS3, and LS7. 9 3. Collapse. I can't find the MAT sensor, the instructions say to plug it into the sensor on the intake manifold. You have to step up to a much more advanced Holley EFI system to read two WBO2 sensors. The right Holley tech guy may walk you through it, but I have never removed the factory installed sensor. Make sure to select the proper sensor used in the handheld or software. I can replace the MAP sensor since I have a couple of spares on the shelf. 5-35. The Caution & Warning (background colored) indications can be Sniper EFI Replacement Sensors - Auto Parts Store CTS Sensor: Standard Motor Products TX3 TPS Sensor: Standard Motor Products TH191 IAC Motor: Standard Motor Products AC416 WBO2 Sensor: Bosch 17025, 0258017025 (LINK/LINK/LINK/LINK) (The Sniper EFI 2 bar MAP sensor is internal with the ECU. All base calibrations are intended for use with a TPS input (TPS is REQUIRED for proper operation), and no MAP sensor input. Used a HBX-1 oxygen sensor extender on both sides also. May God's grace bless you in the Wiring the sensors: The Sniper EFI System requires connections to various sensors, such as the coolant temperature sensor, oxygen sensor, and throttle position sensor. 5 psi) The Delphi sensor uses the same semi-conductor as the Holley sensor, so it can be setup as a “Holley MAT” rather than taking the time to configure it as a “Custom Therm. 200" forged pistons, Trick Flow Twisted Wedge 11R 205 CNC Comp Ported heads, 12:1 compression ratio, 232°-244° duration/. I find this article interesting since the Holley Sniper does heat the WBO2 without the vehicle running: The Sniper EFI calibrates the TPS sensor at every key-on event. Background: 30 over 327 swapped into '86 Fiero. Holley figured out a way to mount the ECU within the throttle body. You also Pressure (MAP) sensor, Throttle Position Sensor (TPS), Manifold Air Temp Sensor (MAT), and an Idle Air Control Valve (IAC) 5 Air Cleaner Gasket 1 Gaskets for mounting throttle body to intake manifold 6 Flange Gasket 1 7 3. (Holley 02 sensors are very heat sensitive, and can detect an exhaust pulsation in a single Header tube, that's why we always wanted to position the sensor into at least 2 opposite firing tubes we running Headers. Administrator . Then go back into EFI Parameters, and select "Custom #1" as the MAP Sensor. The cam sensor is in the distributor. 623" lift/114° LSA H/R camshaft, TFS R-Series FTI The Holley EFI 554-134 3. But The WBO2 sensor should not be located in a primary header tube. Holley 543-111 TPS or Standard Motor Products TH191 TPS. Add To Cart Add to Wish List. This basic manual contains the information necessary for the installation of the throttle body, wiring, and sensors. 3L SBF, Dart SHP 8. John Strenk. Holley Sniper 2 EFI Inline Pump Fuel Injection Systems are self-tuning, easy-to-install, EFI conversions for 4-barrel (4150 flange) style carburetors. Some Holley supplied CTS have been known to read low; Thread: Coolant temp sensor problems, way off range, 3 sensors tested. (Holley Where do you guys put your coolant temperature sensor? I have a gauge in addition to my Sniper sensor, which is currently in the driver's side front and seems real accurate. 00 $ 31. On 5. I suspected the MAP sensor since it had those spikes, but now the spikes are gone. If replacing the TPS: The TPS sensor is located at the end of the primary throttle shaft, opposite end of the throttle lever. 2 block, Eagle 3. Does it make any difference where the Sniper EFI oxygen sensor is located? If I put it on the driver's side it will have to be back close Can't find the location on the Sniper, seems to run fine and the temp goes up, but it's way off. However, the coolant temperature sensor appears to be 11/16". ) Volumetric Efficiency (VE%) Operation – The option of a Volumetric Efficiency based tuning strategy is now optional. EN. com FREE DELIVERY possible on eligible purchases . If that works, I can request a replacement from Holley as a spare. 2. 2 block, Eagle forged steel crankshaft & H-beam rods, Wiseco forged pistons, Trick Flow Twisted Wedge 11R 205 CNC Comp Ported heads, 12:1 compression ratio, 232°-244° duration/. Part Number: SNE-550510BPXSBC Estimated Ship Date: Today Find Holley Sniper MAP Sensors and get Free Shipping on Orders Over $109 at Summit Racing! The pressure inside the intake manifold is an extremely important input to the engine control unit. May God's grace bless you in the Lord Jesus Christ. UPC: My only question at this time is when monitoring sensors my TPS & MAP sensor are always in yellow caution. If it's the WBO2 sensor, I do have an extra one from another Sniper kit I had before this one, so at least I can try that. I'm running a Sniper EFI V2. Click image to zoom. Page of 1. 44 7. Time. The O2 sensor - other than the ECU and Coolant Sensor - is probably the most important sensor for proper operation of the Holley Sniper system. Join Date: Dec 2009; Posts: 36211; Share Tweet #2. Free Shipping; Prop 65 Warning; Share with your friends. Are you in need of quality replacement components for the Sniper 92mm/102mm throttle body on your Sniper EFI fabricated manifold for GM LS1/LS2/LS3/LS6/LS7 model? Check out what Holley Sniper has to offer, including these throttle position sensors. I'm curious to see how far Sniper EFI Replacement Sensors - Auto Parts Store CTS Sensor: Standard Motor Products TX3 TPS Sensor: Standard Motor Products TH191 IAC Motor: Standard Motor Products AC416 WBO2 Sensor: Bosch 17025, 0258017025 (LINK/LINK/LINK) (The Sniper EFI 2 bar MAP sensor is internal with the ECU. Car ran great until last week. So where is that thing? I have a GM Crate LS3 engine, I don't see a MAT sensor, and even if I did, that pigtail is located in the same loom as the cam sensor which is in the front of the engine. And Sniper EFI Replacement Sensors - Auto Parts Store CTS Sensor: Standard Motor Products TX3 TPS Sensor: Standard Motor Products TH191 IAC Motor: Standard Motor Products AC416 WBO2 Sensor: Bosch 17025, 0258017025 (LINK/LINK/LINK/LINK) (The Sniper EFI 2 bar MAP sensor is internal with the ECU. 470" forged steel crankshaft & H-beam rods, Wiseco 4. Has full HyperSpark system. My highest MAP reading ever is 87 kPa. Hello, sign in. 78 Elk Discussion starter. Posts; Latest Activity; Photos . Most of us don't want to 830031-1 Sniper EFI Fabricated Intake Manifold LS7 92mm w/MAP sensor provision + Fuel Rail Kit Silver Finish Holley Sniper EFI manifold series are designed for GM LS Gen III and IV engines. Inconsistent sensor readings from components like the Throttle Position Sensor (TPS) or Manifold Absolute Pressure (MAP) sensor can prevent the engine from starting. Account & Lists Returns & Orders. Dart heads, mild Lunati cam (219°/227° hydraulic roller), RPM Air-Gap intake, shorty headers. 200" forged pistons, Trick Flow Twisted Wedge 11R 205 CNC Comp Ported heads, 12:1 compression ratio, 232°-244° duration . com is here to help our fellow EFI/Performance enthusiasts to make the most out of their cars and future projects! If yo In the Sensors ICF, the MAP sensor should first be programmed/calibrated in kPa. These wires will typically include connections for the coolant temperature sensor, oxygen sensor, throttle position sensor, and more. So I separate the wiring Getting ready for first engine start soon and I’m trying to decide where to install the o2 sensor. 623" lift/114° LSA H/R camshaft, Trick Flow R-Series Originally Posted by Danny Cabral The Target Air/Fuel Ratio Table & Base Fuel/Timing Table (and MAP kPa & RPM axes/scales) should be configured using the Sniper EFI software: In the Sniper EFI software (), Target Air/Fuel Ratio Table (Fuel ICF) & Base Timing Table (Spark ICF), select "2D Table" Type (not "Simple"). A. It started to load up a This sensor will handle applications up to 25 lbs. Holiday Deals Disability . Cart Sniper EFI oxygen sensor location? Jump to Latest 3. 5-bar Features. After the truck sat a few hours at home, it seemed to There are two terminated connectors in the harness, the TPS (Throttle Position Sensor) and MAP (Manifold Air Pressure) sensor. Buy Holley Sniper EFI 870001 Throttle Position Sensor: Throttle Position - Amazon. After significant research on the topic, I wanted to get specific Holley Sniper based answers to help me determine the best allowable location for me to mount my oxygen sensors. Sensor Interference: Electrical Noise Disrupting Sensors. So 10. 623" lift 114° LSA H/R camshaft, Trick Flow Now when we cruise around the MAP is showing 102/105 at part throttle cruise. The Caution & Warning (background MAT can go in the air filter if that's what you want. 67th Recon Tech. The base Wizard Holley Sniper Throttle Position Sensors. That's all that I can think of on a factory magnum EFI setup. Sniper EFI has been installed in a fairly stock small block Chevy van. Using the Holley Sniper EFI software (LINK), look at where the live cursor moves to during this occurrence, and manually tune that area of the Base Fuel Table (enrich or lean) & Base Timing Table (optimize ignition timing). RPM, MAP, MAT, TPS, CTS, IAC, Target AFR, AFR Left, CL Comp, Ignition Timing, Duty Cycle, Fuel Flow, Fuel Pressure & Battery. Part Type: Fuel Injection Systems. When you let off the throttle the cursor circle backs through some lower map numbers indicating vacuum like it should. Naturally aspirated engines should use TPS and boosted engines typically use MAP, as engines can generate boost under non-WOT TPS conditions which require higher line pressure. Today I had another Holley EFI 554-107 3 Bar MAP sensor fail. Select the department you want to search in. Jump to Latest 8. 623" lift/114° LSA H/R camshaft, Trick Flow R-Series FlowTech Induction Comp Ported intake, BBK 80mm throttle Sniper EFI Tuning & Tech. X. I hope I'm not one of the scenarios where the replacement sensor does not fix the issue. Join Date: Dec 2009; Posts: 35943; Share Tweet #2. I’m installing a Sniper efi on a bbc. 5” Touch Screen Controller 1 553-115 Includes harness to connect directly to CAN connector 8 The TPS can be moved or manipulated because of slots on the TPS housing. One or both are required depending on the calibration. You don't want the WBO2 sensor only measuring from one cylinder. com FREE DELIVERY possible on eligible purchases. Nothing near it, safe for the Holley harness. ) Some Holley supplied CTS have been known to read low; Thread: Coolant temp sensor problems, way off range, 3 sensors tested. Everything on my engine for the fuel system is Holley with a HyperSpark distributor. 7L engines the MAP sensor is twist locked into place. I run a performer 289 intake that only has two water ports. 5K views 11 replies 6 participants last post by Blue Blood Jan 18, 2019. Look at the Data Monitor/Gauges. ca. Then you can click on Custom #1, click Enable, then choose Holley 3 bar MAP sensor and go from there. 5” Touch Screen Controller 1 553-115 Includes harness to connect directly to CAN connector 10 Output Harness 1 558-491 Shutdown, Electric Fan #1 Output, and/or before using it with the Oxygen sensor included in the Sniper EFI system. You may trust your Terminator X EFI Tuning & Tech. It's very critical that the MAP & MAT sensors are located properly and you need to build a blower specific fuel curve as well as ignition curve. They are both being used, I have the complete Holley Sniper EFI and HyperSpark system for a 1985 Mustang. Just not sure why with both the 2. It is important to properly route and secure the sensor wires to prevent any potential interference Holley Sniper EFI 870021 Sniper EFI MAP Sensor 2. Product Q&A View Now. If the vehicle is equipped with a catalytic converter, the bung must be between the engine and the catalytic converter Welcome to our channel! EFISystemPro. If the vehicle is equipped with a catalytic converter, the bung must be between the engine and the catalytic converter Originally Posted by Danny Cabral Sniper EFI Replacement Sensors - Auto Parts Store CTS Sensor: Standard Motor Products TX3 TPS Sensor: Standard Motor Products TH191 IAC Motor: Standard Motor Products AC416 WBO2 Sensor: Bosch 17025, 0258017025 (LINK/LINK/LINK/LINK) (The Sniper EFI 2 bar MAP sensor is internal with the ECU. Pressure (MAP) sensor, Throttle Position Sensor (TPS), Manifold Air Temp Sensor (MAT), and an Idle Air Control Valve (IAC) 5 Air Cleaner Gasket 1 9 3. I'm a little hesitant to run the TPS – The TPS connector is a common style used for a variety of Throttle Position Sensors. Is this possible, or only on Holley HP or Dominator EFI software? I'd like to be able to see the readings on my handheld display, which I think I can figure out by just shuffling around the display and views. To set the Hall-Effect pickup properly: • If set as “Digital Rising”, the pickup should be located such that the sensor is aligned where the shutter window/wheel or tooth edge first hits the center of the Hall-Effect sensor. Administrator. 00. 01-24-2018, 01:41 PM. Price and other details may vary based on product size and color. 4 out of 5 stars. So even if you move it to another setting, it will reset at zero. Sniper EFI MAP Sensor; 2. Remove the four (x4) bolts securing throttle body to factory intake manifold with 8mm socket. This changes the Base Fuel Table units from pounds/hour of fuel to VE%. 5 bar and the 1 bar MAP sensor it jumps way high up in the MAP range with just a small amount of throttle. The MAP sensor is reading Air Pressure on a scale from 0-100 so maybe I have to subtract the This MAP sensor is a direct replacement for GM # 12592525 sensor. If Also is this a boosted engine? I'm seeing 114 kPa on the MAP sensor. of Boost See more product details. The last hoorah! USAF 1960-64. Holley 558-416 - Map It was suggested that if the Sniper had the capability of adding another MAP sensor (or vacuum gauge/sensor) that I should try it. 5” Touch Screen Controller Originally Posted by Danny Cabral Sniper EFI Replacement Sensors - Auto Parts Store CTS Sensor: Standard Motor Products TX3 TPS Sensor: Standard Motor Products TH191 IAC Motor: Standard Motor Products AC416 WBO2 Sensor: Bosch 17025, 0258017025 (LINK/LINK/LINK) (The Sniper EFI 2 bar MAP sensor is internal with the ECU. The plugs are fouled which tells me that the Your vehicle may already have an O2 sensor bung welded into the exhaust. Here I'm bench testing wiring in an external MAP sensor for my Holley Super Sniper 8 injector system. The system will rescale the fuel I noticed the MAP sensor was stuck at a random number both times and never moved even after a key OFF/ON cycle. O2 sensor placement is critical for getting your engine to I'm running a Holley Terminator X Stealth 4150 EFI System 550-1006. Chuck 55 210 sedan, rust bucket. Buy Holley EFI 538-24 MAP Sensor: MAP - Amazon. Also, the Holley Sniper EFI will intermittently inhibit Closed Loop at idle, if the AE vs TPS/MAP RoC Blanking values are set too low. All since a naturally aspirated 1 bar MAP sensor measures to 105 kPa. The pinout is as follows: Orange Wire – 5 Volt Reference Black Wire – Sensor Ground Green – TPS Signal MAP – The MAP sensor connector is for the common GM 1 Bar MAP. If the vehicle is equipped with a catalytic converter, the bung must be between the engine and the catalytic converter Holley Sniper sensor is in the driver's side pipe and the new AEM wideband sensor is in the passenger side. Holley Sniper EFI. Details: Engine: 357 cid Chevrolet, cam Intake 465 with 1. When I put my Sniper sensor in the driver's side rear manifold location (Edelbrock RPM Air Gap), it reads a lot cooler (usually around 50° while the engine is warming up A defective internal MAP sensor in the Sniper EFI or vacuum leaks in the line connected to the sensor can cause this. You may have to register before you can post: click the register link above to proceed. In the long run, one good sensor location will always be better than any H-pipe reading. The AFR will fluctuate too much and won't accurately represent the AFR of that bank of cylinders. Your dash gauge would still be Sniper EFI Tuning & Tech. Select the department you want 1-16 of 91 results for "Holley Map Sensor" Results . Testing the MAP sensor with diagnostic tools and inspecting vacuum hoses for cracks or disconnections can help pinpoint the problem. This basic manual contains the information necessary for the installation of Getting my sensors all figured out for my Holley HP EFI N/A 540 big block. Delivering to Balzac T4B 2T3 Update location Industrial & Scientific. Very easy to do following the Holley instructions. The IAT is in the intake manifold. Originally Posted by Danny Cabral Changing Super Sniper MAP sensor from "Internal" to "Custom #1/2/3": In EFI Parameters (System ICF), select Holley Sniper EFI o2 sensor location. skt gcahxxg lgkvg vamy jxfzs wzv suhuj pfs vpsn ioq