Holley sniper reset Harness signal wires wrapped/sleeved, no change. To hopefully add a bit of value where I can, I've posted a very detailed article with photos that covers IAC Testing Procedures for the Sniper EFI System over on the EFI System Pro website. No luck. Just come back to it recently, and was trying to find out what the problem was. The system is completely losing power and I am out of ideas. 030" over, I believe . I would like to know how to proceed to Sniper EFI Tuning & Tech You have at least one reset event in the datalog. And I ran a seperate fuse block. It runs really good . I decided to upgrade to the HyperSpark distributor, coil, and CDI box. Figuring it had something to This video shows you how to set the initial startup idle or if you want to reset your Holley Sniper EFI and reset the idle as well. I had my negative battery cable disconnected for the last three weeks while working on the car, and when reconnected, the engine fired up and ran perfectly. This is a great time to visually inspect the overall Sniper EFI install. I read in this forum that there seems to be a problem with the Sniper in that sense. zip It will not restart, unless you let it set for five minutes, and then it will Holley Sniper, Holley HyperSpark Ignition, Distributor and Coil so it would be plug & play. Any help would be greatly appreciated. Parameters not connected to the Sniper EFI can be monitored on the digital dash using the optional I/O harness part number 558-432. I checked the IAC & TPS while running and it was way off (good before this Target AFR change). The IAC Position wanted to stay around 20-30%. It worked well for the first few times i fired it up and its just progressively gotten worse to If the throttle lever is moving freely, I'd replace the TPS. fwu) and PC Software, but only 1. Sniper 2 is a brand new design from the ground up. So my truck has been running the best it ever has and the other night while I was out for a cruise the truck died suddenly and when I looked down, I saw No Data in red in every single spot on the 3. However, a small percentage (about 10%) runs into this challenging gremlin. After installing the engine, Sniper, HyperSpark, and wiring, in the car, I'm experiencing a No Data Issue. My block is . I believe I need a Hard Reset, not a Wizard. No major issues to speak of. I run through the basic tune Wizard and write a first tune, then when I cycle the key the ECU is blank and has no TPS issues??Well, our EFI Tech Expert, Scott Evans is here with the answer!đŞWe absolutely love helping folks be a success with their EFI Systems! There is n Hello guys. TPS Auto-set is also required after any adj Since the TPS is reset to zero when the Sniper is triggered, if it changes to 1% when the engine is running for a while the most common problem is that the throttle blades are not properly centered in their respective bores. 550-516 throttle body, HyperSpark Ignition (Box, Distributor, Coil), Sniper 19-360 returnless in If you have an SD card reader on your desktop, all you have to do is download the Config File to the SD card, load it on the desktop with the Sniper EFI software, clear the Learn This video shows you how to set the initial startup idle or if you want to reset your Holley Sniper EFI and reset the idle as well. Had a problem earlier with the update, and only just got through that problem and communicating with the ECU again. Sometimes erratic idle when warm as well. The first is when I was test driving and it's RPM shot up to 2000 after putting the clutch into coast and when changing gears. I know this is a worn out topic, but I just had to remove my and reinstall my Sniper's TPS. I've started to get the dreaded all red "No Data" screen on the handheld and she dies. To do this, open up the Initial Startup gauge screen that was used in Here are 10 great Sniper EFI System installation tips from Holley's Tom Kise Thanks Chris for the quick reply, I have already installed a spacer, part # Aluminum Carburetor Spacers SUM-G141. I eventually unplugged Holley EFI Sniper EFI If this is your first visit, be sure to check out the FAQ by clicking the link above. '92 Ford Mustang GT: 385"/6. I have a '68 GTO, Pontiac 461 Stroker engine that was recently build and dynoed by Kauffman Racing. It didn't effect the running of the car, just the handheld unit. I tried cycling the key, but it would not reset and was saying, no communication with ECU. To do this, open up the Initial Startup gauge screen that was used in Hi all, I just completed a Sniper 2 & HyperSpark install and had a question about the fuel pump relay wiring. Installed it, powered it on, immediately the handheld said it needed to upgrade the ECU fw to be compatible. holley. Sorry if this has been covered before or is in the search in advance. From the datalogs I've taken, they all I just downloaded the newest Sniper EFI software to help a customer who's datalogs could only be read with it. ) Hi. I'm hoping I have that right! Thanks for your Hey guys. I The Sniper 2 system continues to be plug and play, and Holley tells us this new evolution now works even better with Holleyâs other performance parts. - Verify Wiring - ECU must be powered and grounded Yes, I reloaded the previous tune and limped home with no Closed Loop or Learn. Much better reset the ignition timing factors based on a large cam. 5" TSLCD. First, it wants to If you're looking to take your Sniper 2 to the next level, you gotta check out the Sniper 2 EFI CAN Hub! This thing provides rock-solid connectivity and a wealth of performance metrics to help you dial in your ride. From what I have looked at so far, you have pretty good looking data/signals throughout until it resets. Ever since day one I've been having hard starting issues when both hot & cold that I could use some advice on. Which ended with a âpost The Sniper EFI broadcasts data channels to the Holley EFI 7â Digital Dash via CAN bus connection. Therefore, for the ECU to know exactly where the plunger is located relative to the IAC passage it must issue a series of pulses to completely close the IAC (the "zero" IAC position) before it can then use that as a reference from which it positions the plunger as desired. over on the EFI System Pro website. Now I wnat to make some changes. Evidently, the TPS sensor can still be Sniper EFI Tuning & Tech May God's grace bless you in the Lord Jesus Christ. Plugged in the laptop to the CAN Bus and it said it needed to be updated. A fifth car with the same problem the customer didn't want to wait, we installed a Fuel Tech FT-600 to manage the Holley Sniper body, using injectors, IAC TPS Auto-set and enable static timing on Holley EFI systems are two critical tasks to perform on initial startup. Having issues after installing: Sniper EFI, Sniper I recently installed the Holley Sniper on my SBF 302 in my 1980 Mercury Capri. SNIPER EFI automobile accessories pdf manual download. I installed my Sniper about a month ago on a 302. The Greetings from the land of Oz. Large grounds on frame to block and block to battery. 600" Lift with ratio for cam). 200" forged pistons, Trick Flow Twisted Wedge 11R 205 CNC Sniper EFI Idle Setting/Throttle Blade Setting (Holley Sniper EFI Quick Start Manual): Once the engine is up to operating temperature, the idle speed can be set to what was configured in the Wizard. To reset holley sniper efi, turn the ignition off, wait for 10 seconds, turn the ignition on, and wait for the fuel pump to stop. eep), 3. When you peek inside the r/HolleyEFI: A place to discuss projects, products, tuning and services related to Holley Electronic Fuel Injection systems. It runs perfectly, idles Edit ended up getting a hold of Holley, and after 2 months of âweâll send you a new âxâ and weâll send you a new âyââ, they finally ended up sending a replacement Sniper unit. So I followed instructions on the Holley YouTube video on Holley Sniper EFI system | Tanks tank and in-tank pump Owned since 1985 Save Share Reply Quote Like S SHINER · Premium Member Joined Dec 2, 2007 · 1,365 Posts Hey guys. Cam Specs 248°/256° @ 112° (installed straight up) with 1. Several calls to Holley after long wait times I get instructions to re install the software on the touchscreen device and remove power for 2 hours to reset the system. Also for: 553-200. 8 Ratio Pro Magnum Rockers (a little over . It's slotted, so install it in the same position. ECU and 3. Of course it came with a dead fuel pump that didnt work. This is done on my 1990 Third Gen Chevy Camaro My Holley Sniper EFI has been having an issue with a corrupt SD card and in this episode I walk you through how I fixed the problem by formatting the SD card and reuploading the tune and firmware Sniper EFI Idle Setting/Throttle Blade Setting (Holley Sniper EFI Quick Start Manual): Once the engine is up to operating temperature, the idle speed can be set to what was configured in the Sniper EFI Software/Installer v2 Build:15 - Windows Vista,7,8,10 Compatible. That fixed the issue, was a bad cpu. Donât run multiple things off switches. It frequently dies when I give it gas starting out. I've had a mountain of problems with cold start tuning, and I'm starting to wonder if I may be best to start from Before starting the engine, double check for leaks, proper wire routing, any wiring hazards or loose nuts and bolts. How do you change the CTS âLearning minimumâ value from 161°F to a different value? Not really summer here yet in Atlantic Canada and the only time my '84 K10 hits 161°F is when itâs sitting after a drive. CAM SETTING (Stock/Mild | Street/Strip | Race) AND YOUR CAM SPECS In this episode, i take you step by step through the Holley Sniper EFI setup and review the parts needed to make it work. I wasn't The number 1 EFI conversion just got better. Today I decided to change the Target AFR. 7L V8 Manual). Tried different resistor spark plugs, and three sets of plug wires (Summit, Ford, MSD), no https://www. 5" TSLCD Firmware (*. 470" forged steel crankshaft & H-beam rods, Wiseco 4. 003 is one time when it did restart when hot. This signal comes from the wired connects depicted in the install manual. Seem pretty straightforward. Seems to be running better with the exception of starting out in 2nd ('71 Blazer 350 5. The car was running great. However, it would be easier to do the inline. Installed everything, and no start. This guide will help you troubleshoot and Hey guys. ) Stall log. Is it possible I didn't install it back in the exact same spot, and is it's Hi All. I'm attaching two datalogs to compare. To start viewing messages, select the forum that you want to visit from the I wanted to follow suite with the popular FiTech tuning tips thread but being more specific with Holley information. Install the throttle linkage to If there is one thing I can say in my experience. But only 20 miles or so since I installed a Sniper 2 system a few months ago and everything was working fine. I like to adjust down rather than up, so I'd What I have: 454 Chevy Square Body. Hint: Call them at I had a Sniper on the dyno recently that wouldn't ever go into Learn. lbs. 2 block, Eagle 3. Should I go with in tank fuel pump or inline? My brother said to go with in tank. 200" forged pistons, Trick Flow Twisted Wedge 11R 205 CNC Using the Holley Sniper EFI software (LINK), look at where the live cursor moves to during this occurrence, and So I decided to reset the screw and turn it in 2 to 2 1/2 turns in, like stated on the page ABC posted. I reloaded a saved Config File and the problem was still there. It jumps back to give you negative time values. Then a few weeks ago it started stumbling when I released the throttle, both at cruise and at stops. Recently, I saw my handheld go all red and read No Data a few times. Gasket SPAL Fans Brawler Frostbite Cooling MSD Speartech Bright Earth Garrett Turbochargers NOS Stilo Brothers Trucks Halibrand ProConnect Superchips Carroll Shelby Wheels HANS Pulsar Weiand CataClean Holley Sniper won't idle and running very rough. But I didn't find anything about Hard Reset by Holley Sniper. I love the Sniper, but there's a lot more to this then the videos where you slap it on and in eight steps it's running perfect. Hey guys, I have a Sniper EFI system on a 347 SBF. Rewired everything three times now, every power wire is separated from signal wires and is wrapped in Faraday tape or in tinned copper metal braid sleeves with grounding leads, no change. However, I'm fighting two specific things right now that maybe someone can help with. Place the Sniper EFI throttle body on top of the new flange gasket on the manifold. Attached datalog. Now looking at older datalogs some information is way off like showing literally 2 billion RPM. I checked the connector for it at the TB and it's clean & secure. We walk through the basics of setti Hey, I bought a sniper kit from Mosley Motors a while ago. Comment Post Sniper EFI Idle Setting/Throttle Blade Setting (Holley Sniper EFI Quick Start Manual): Once the engine is up to operating temperature, the idle speed can be set to what was configured in the Wizard. 50 (Version 3) or Sniper 2 versions can be downloaded from Holley at the Sniper support page. Wondering if it's a bad WBO2 sensor or stuck injector. You may have to register before you can post: click the register link above to proceed. Hopefully we can figure this out. After setting these values, return to 2D Table and smooth the table two times. Sniper EFI Tuning & Tech May God's grace bless you in the Lord Jesus Christ. Canât get idle speed down to the set speed. It should reset the fuel tables if you changed the CID and cam information, but I don't really know how the Holley software works. Many users face common problems like fuel delivery, ignition troubles, and air/fuel mixture issues. Everything was setup correctly in the EFI software, but it would never go into CL or Learn. Here are the details on the vehicle: '69 Chevelle Malibu Chevy Crate motor ZZ502 no modifications Removed Holley 870 CFM carb Hi all. Then, press the pedal three times. I noticed it has some adjustability, and since I've reinstalled it it has been sticking at 1%. 6, I already changed the oxygen sensor and it stays the same, at 35. I then reset the IAC Position as that was at 26%. Turn the idle screw in 1/2 turn and then restart. Holley Tech told me to readjust the TPS, so that is past zero at idle. 002, but . Digital Dash. I'm having an intermittent issue with the RPM racing up to 2000 or better. It even stalled out (and restarted easily) at a light. 8, 14. I've had the Sniper on an HZ Holden Kingswood 308 for about 1000 km now. Figured Iâd post a new thread, as my previous one is really unrelated to my real problem. This is done on my 1990 T My Sniper with HyperSpark has been running fine. Sniper Throttle Positioning Sensor Failure, Symptoms & Fix. So i replaced that with the same make and model. The AFR stays stuck at 35. As soon as it starts moving down the road again it drops to 130°s-140°s or so. My factory exhaust (excluding the headers) has an WBO2 bung in the crossover H-pipe. I can ride the clutch and catch it, but it's a pain. It was parked for a while as I was busy at the time. Sign In Upload Download Table of Contents Contents Add to my manuals Member List Calendar Forum Holley EFI Sniper EFI If this is your first visit, be sure to check out the FAQ by clicking the link above. Holleyâs goal here is to After a failed fw update bricked my old Sniper, I upgraded to a sniper 2 based on Holley saying theyâd resolved such issues. It starts real easy hot or cold. Holley 543-111 TPS or Standard Motor Products TH191 TPS. 6. Which in turn raised the RPM all the way to 2. Hi, I'm wondering how I go about resetting my Sniper. I My Sniper had some issues a while back running really rough. Maybe one of the Holley Sniper software knowledgeable can help. Confirm proper connections. (Datalogs posted with truck driving and one of it idling. Thanks to Sniper 2 converting to EFI just got a whole lot easier. At this point I was becoming concerned, but didn't have a problem with it until tow days ago. The Sniper EFI calibrates the TPS sensor at every key-on event. So I've just gone through I have a a new Sniper install that I am having some serious issues with. ). 5" TSLCD on the same firmware version, 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"). New Sniper-2 Bundles: EFI Conversion Is More Affordable Than Ever! Get help from other Gear Sniper EFI Idle Setting/Throttle Blade Setting (Holley Sniper EFI Quick Start Manual): Once the engine is up to operating temperature, the idle speed can be set to what was configured in the Wizard. (Attached datalog. It cut out in peak afternoon traffic, restarted and went another half a mile. The IAC Position will read high if you have the idle screw out too far. Been in Utah for 10 years and kind of ingnored any changes to my 70 Elky. 4 & 12. zip Base tune 4. In my experience the far majority of Sniper EFI customers never have a problem with radio frequency / electro-magnetic interference (RFI/EMI). A little background. Meanwhile I double check all the wiring and everything is in I've now been trying to get my Sniper EFI working for about a month. The Sniper auto-zeros the TPS each time you cycle the ignition, so it will find a new zero after you adjust it. Sniper EFI Idle Setting/Throttle Blade Setting (Holley Sniper EFI Quick Start Manual): Once the engine is up to operating temperature, the idle speed can be set to what was configured in the Wizard. My Holley Sniper EFI has been having an issue with a corrupt SD card and in this episode I walk you through how I fixed the problem by formatting the SD card Upgraded my Sniper with version 2, idle is all over, and IAC wants to stay 0% at idle. Sometimes dies or stalls and catches itself. 3. 1975 F250, 460 stock with headers. ENGINE SIZE: 350 HOLLEY SETUP USED: 600 HP Sniper in shinny finish ENGINE VACUUM: Thinking it's around 13. To do this, open up the Initial Startup gauge screen that was used in Upgraded my Sniper with version 2, idle is all over, and IAC wants to stay 0% at idle. I'm having an issue after about ten miles, it goes into a stall, and dies. 3L SBF, Dart SHP 8. To do this, open up the Initial Startup gauge screen that was used in Some people wish to revert their Sniper ECU Firmware (*. New Sniper EFI install, having issues with AFR spikes when up to operating temperatures. The Sniper system is an electrical system that uses a certain signal to detect, manage, and control how much air and fuel needs to go into the engine. 007 shows the car not restarting as well as . Basically, the behavior I'm seeing is that everything appears to power up normally. Upgrade 2 Prestart Checklist Before starting the engine, double check for leaks, proper wire routing, any wiring hazards or loose nuts and bolts. Is there a link somewhere to get the last version before this one? Being that I make my living supporting Snipers, this is Hi, I'm having problems with my Sniper. Eventually restarted after about 20 minutes. Done a fair bit of reading on this issue and I've tried to eliminate any sources of RFI. I understand the system doesnât learn Long time follower, first time poster. Jesse lets you know how he unbricked on our our Holley ECU's in the shop as well as give you a little flashback and update on the 1984 C10 we have in the sho My setup is as follows: 351C, Holley Sniper EFI 4150, HyperSpark, Crane Cams ignition box. Dealing with issues in your Holley Sniper EFI can be frustrating, but youâre not alone. After all this I set the wiring back, reinstalled the distributor, reset the EFI for no ignition control and external CD Box, and it fired up immediately. I'm having a really hard time with my Sniper & HyperSpark setup. Insert card back, it will make a firmware update and you Bare with me, not a tuner and very frustrated. Setup with MSD 6AL box, Ford Performance wires, MSD distributor. Switch to simple and enter 13. 200" forged pistons, Trick Flow Twisted Wedge 11R 205 CNC Danny has posted some great info on IAC troubleshooting that is specific to the HP/Dominator ECUs. The system can do weird things if even a slightly bad connections. Are there any resources for how to get this dialed in? Seems very sensitive to rear blade adjustment, but goes all over when adjusting the front blades. Here's the lowdown: Fresh install in a brand new 302 block, stroked to 327. I tried to adjust the IAC Position setting when the temperature got above 160°F. So I reset IAC/Wizard. Thanks. The system has only two issues that I'm hoping maybe I can fix rather take it to the techs who installed it and pay a small fortune. Does your Sniper Have a mind of it's own, Stalls when cold, Stumbles at constant throttle due to Sniper Throttle Positioning Sensor Greetings all. When I installed a new WBO2, I did the unconventional and maybe unthinkable. I cut out the stock relay and extended the Hi Guys. This will reset the system. Using the correct length carb stud and nuts, tighten the Sniper EFI throttle body down progressively in a âcriss-crossâ pattern (60-80 in. This is a great time to visually inspect the overall Sniper EFI Ron, try to delete the data card contents and copy to the contents of the other card you have in the car running properly. I can cycle the key a couple times, and it goes back to inputted rpm of 950. Earlier PC software is still available but is listed for Atomic 2 EFI. It idles OK when it wants to and with the IAC where it's supposed to be. I have read and re-read all of the I have installed a Sniper on a new Blueprint 383, it runs great, when it runs. com/brands/holley_efi/ Holleyâs Sniper EFI systems bring fuel injection to the masses with carburetor-replacement systems that are designed to have all the benefits of electronic fuel injection without It does not reset itself to a known position when the Sniper EFI System is powered down. Recently, I went to move the car after a couple month hiatus Sniper EFI Tuning & Tech May God's grace bless you in the Lord Jesus Christ. We kept some of the tried and true features from the original If you're installing a Sniper EFI system and almost ready to crank it over for the first time, this is the video for you! Sniper EFI Initial Startup and Troubleshooting - Holley Motor Life Skip to main content It seems that it is easier to reset the table in the "Simple" mode if the values are set outside of the normal range. Iâve had my Sniper Stealth 4150 on the car for over a year now, running well. The Sniper Baer Brakes Flowtech Exhaust Mr. more. I've got a new '68 Camaro with a 327 SBC a Muncie 4-speed transmission, and I just installed a new Holley Sniper 4150 system on. When cold the blades will typically I have 4000 miles on my Sniper now. Did all the troubleshooting from the instructions and this forum, and then contacted Holley. I abandoned the Sniper 2's fuel pump relay, so I could run my own heavier gauge fuel pump wiring and also to avoid having to mount the stock relay on/near the firewall. If I were in your situation, I'd play with the acceleration enrichment until the stumble went away, and not rely on the self learning to figure out what your engine needs. I've been running the Sniper EFI on my car for a couple years now. The engine ran with the HyperSpark and 550-510 Sniper on the dyno, and ran great from the builder. I had a Sniper installed, full setup, tank, pump, HyperSpark ignition, and distributor. The car will startup, but only if I lightly press the gas pedal (otherwise View and Download Holley SNIPER EFI user manual online. Use of the I/O harness Day after that it did the same, but refused to restart. Hi, JR Hamilton. 3. To start viewing messages, select the forum The Sniper EFI will not lose its configuration if it's disconnected from the power supply (battery). 7 for idle, cruise & WOT. cvqgkiv thth aqbi koozvwq jhw agypozr kiep zcjyvsho jhaqc vtcuy nlpqx jipbh hnrf fzbvzjj eqqphm