Holley sniper reset. Can’t get idle speed down to the set speed.

Holley sniper reset Recently, I saw my handheld go all red and read No Data a few times. Of course it came with a dead fuel pump that didnt work. 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. The engine ran with the HyperSpark and 550-510 Sniper on the dyno, and ran great from the builder. From what I have looked at so far, you have pretty good looking data/signals throughout until it resets. 3. 5" TSLCD 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 Wizard. 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. So I've just gone through I have a a new Sniper install that I am having some serious issues with. We walk through the basics of setti Hey, I bought a sniper kit from Mosley Motors a while ago. 030" over, I believe . 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!💪We absolutely love helping folks be a success with their EFI Systems! There is n Hello guys. This is done on my 1990 T My Sniper with HyperSpark has been running fine. 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. Much better reset the ignition timing factors based on a large cam. 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. 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. No major issues to speak of. 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. Then a few weeks ago it started stumbling when I released the throttle, both at cruise and at stops. 7L V8 Manual). Having issues after installing: Sniper EFI, Sniper I recently installed the Holley Sniper on my SBF 302 in my 1980 Mercury Capri. zip Base tune 4. I'm having a really hard time with my Sniper & HyperSpark setup. Earlier PC software is still available but is listed for Atomic 2 EFI. I'm attaching two datalogs to compare. Confirm proper connections. Maybe one of the Holley Sniper software knowledgeable can help. Insert card back, it will make a firmware update and you Bare with me, not a tuner and very frustrated. 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. 003 is one time when it did restart when hot. Hopefully we can figure this out. (Attached datalog. Is it possible I didn't install it back in the exact same spot, and is it's Hi All. 50 (Version 3) or Sniper 2 versions can be downloaded from Holley at the Sniper support page. 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. Installed everything, and no start. I would like to know how to proceed to Sniper EFI Tuning & Tech You have at least one reset event in the datalog. SNIPER EFI automobile accessories pdf manual download. 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. 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. Everything was setup correctly in the EFI software, but it would never go into CL or Learn. I then reset the IAC Position as that was at 26%. My block is . It's slotted, so install it in the same position. And I ran a seperate fuse block. 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"). 7 for idle, cruise & WOT. Sniper Throttle Positioning Sensor Failure, Symptoms & Fix. The IAC Position will read high if you have the idle screw out too far. 002, but . 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. I know this is a worn out topic, but I just had to remove my and reinstall my Sniper's TPS. Hey guys, I have a Sniper EFI system on a 347 SBF. I checked the IAC & TPS while running and it was way off (good before this Target AFR change). Been in Utah for 10 years and kind of ingnored any changes to my 70 Elky. Install the throttle linkage to If there is one thing I can say in my experience. However, it would be easier to do the inline. I tried cycling the key, but it would not reset and was saying, no communication with ECU. I cut out the stock relay and extended the Hi Guys. Basically, the behavior I'm seeing is that everything appears to power up normally. Seem pretty straightforward. Sniper EFI Tuning & Tech May God's grace bless you in the Lord Jesus Christ. Which in turn raised the RPM all the way to 2. I decided to upgrade to the HyperSpark distributor, coil, and CDI box. No luck. Sorry if this has been covered before or is in the search in advance. I've had the Sniper on an HZ Holden Kingswood 308 for about 1000 km now. Many users face common problems like fuel delivery, ignition troubles, and air/fuel mixture issues. Upgrade 2 Prestart Checklist Before starting the engine, double check for leaks, proper wire routing, any wiring hazards or loose nuts and bolts. 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. I wasn't The number 1 EFI conversion just got better. 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. 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. I had a Sniper installed, full setup, tank, pump, HyperSpark ignition, and distributor. I installed my Sniper about a month ago on a 302. 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. 470" forged steel crankshaft & H-beam rods, Wiseco 4. Harness signal wires wrapped/sleeved, no change. Attached datalog. So I reset IAC/Wizard. This guide will help you troubleshoot and Hey guys. The car was running great. Figured I’d post a new thread, as my previous one is really unrelated to my real problem. Any help would be greatly appreciated. I've started to get the dreaded all red "No Data" screen on the handheld and she dies. When I installed a new WBO2, I did the unconventional and maybe unthinkable. Thanks. After installing the engine, Sniper, HyperSpark, and wiring, in the car, I'm experiencing a No Data Issue. 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. Switch to simple and enter 13. To do this, open up the Initial Startup gauge screen that was used in Some people wish to revert their Sniper ECU Firmware (*. I The Sniper 2 system continues to be plug and play, and Holley tells us this new evolution now works even better with Holley’s other performance parts. Turn the idle screw in 1/2 turn and then restart. I reloaded a saved Config File and the problem was still there. Done a fair bit of reading on this issue and I've tried to eliminate any sources of RFI. However, I'm fighting two specific things right now that maybe someone can help with. 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. Tried different resistor spark plugs, and three sets of plug wires (Summit, Ford, MSD), no https://www. 8 Ratio Pro Magnum Rockers (a little over . Dealing with issues in your Holley Sniper EFI can be frustrating, but you’re not alone. How do you change the CTS “Learning minimum” 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 it’s sitting after a drive. I can cycle the key a couple times, and it goes back to inputted rpm of 950. New Sniper EFI install, having issues with AFR spikes when up to operating temperatures. 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. over on the EFI System Pro website. 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. Installed it, powered it on, immediately the handheld said it needed to upgrade the ECU fw to be compatible. Eventually restarted after about 20 minutes. Had a problem earlier with the update, and only just got through that problem and communicating with the ECU again. Plugged in the laptop to the CAN Bus and it said it needed to be updated. ECU and 3. 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. The Sniper Baer Brakes Flowtech Exhaust Mr. The IAC Position wanted to stay around 20-30%. It even stalled out (and restarted easily) at a light. 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. (Datalogs posted with truck driving and one of it idling. The system can do weird things if even a slightly bad connections. Here's the lowdown: Fresh install in a brand new 302 block, stroked to 327. 6. 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. 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. The AFR stays stuck at 35. This signal comes from the wired connects depicted in the install manual. This is a great time to visually inspect the overall Sniper EFI install. It frequently dies when I give it gas starting out. I'm having an intermittent issue with the RPM racing up to 2000 or better. 8, 14. Did all the troubleshooting from the instructions and this forum, and then contacted Holley. Cam Specs 248°/256° @ 112° (installed straight up) with 1. Sometimes dies or stalls and catches itself. 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. Which ended with a “post The Sniper EFI broadcasts data channels to the Holley EFI 7” Digital Dash via CAN bus connection. Also for: 553-200. 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. When cold the blades will typically I have 4000 miles on my Sniper now. 3. Don’t run multiple things off switches. 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. Holley Tech told me to readjust the TPS, so that is past zero at idle. At this point I was becoming concerned, but didn't have a problem with it until tow days ago. ) Stall log. I checked the connector for it at the TB and it's clean & secure. It was parked for a while as I was busy at the time. You may have to register before you can post: click the register link above to proceed. It idles OK when it wants to and with the IAC where it's supposed to be. 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 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. To start viewing messages, select the forum The Sniper EFI will not lose its configuration if it's disconnected from the power supply (battery). Hi, I'm wondering how I go about resetting my Sniper. Thanks to Sniper 2 converting to EFI just got a whole lot easier. That fixed the issue, was a bad cpu. However, a small percentage (about 10%) runs into this challenging gremlin. 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. Now looking at older datalogs some information is way off like showing literally 2 billion RPM. It cut out in peak afternoon traffic, restarted and went another half a mile. Setup with MSD 6AL box, Ford Performance wires, MSD distributor. Use of the I/O harness Day after that it did the same, but refused to restart. But only 20 miles or so since I installed a Sniper 2 system a few months ago and everything was working fine. 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. 3L SBF, Dart SHP 8. Just come back to it recently, and was trying to find out what the problem was. I understand the system doesn’t learn Long time follower, first time poster. But I didn't find anything about Hard Reset by Holley Sniper. '92 Ford Mustang GT: 385"/6. fwu) and PC Software, but only 1. 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. Holley 543-111 TPS or Standard Motor Products TH191 TPS. My factory exhaust (excluding the headers) has an WBO2 bung in the crossover H-pipe. 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. I believe I need a Hard Reset, not a Wizard. I tried to adjust the IAC Position setting when the temperature got above 160°F. I'm hoping I have that right! Thanks for your Hey guys. I can ride the clutch and catch it, but it's a pain. I noticed it has some adjustability, and since I've reinstalled it it has been sticking at 1%. I have a '68 GTO, Pontiac 461 Stroker engine that was recently build and dynoed by Kauffman Racing. 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. Hint: Call them at I had a Sniper on the dyno recently that wouldn't ever go into Learn. Hi, JR Hamilton. 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. eep), 3. 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. Ever since day one I've been having hard starting issues when both hot & cold that I could use some advice on. 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. I've been running the Sniper EFI on my car for a couple years now. It starts real easy hot or cold. 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. Digital Dash. 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. It didn't effect the running of the car, just the handheld unit. 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. lbs. ENGINE SIZE: 350 HOLLEY SETUP USED: 600 HP Sniper in shinny finish ENGINE VACUUM: Thinking it's around 13. ) Hi. Large grounds on frame to block and block to battery. 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. 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. Today I decided to change the Target AFR. Should I go with in tank fuel pump or inline? My brother said to go with in tank. I My Sniper had some issues a while back running really rough. In my experience the far majority of Sniper EFI customers never have a problem with radio frequency / electro-magnetic interference (RFI/EMI). It jumps back to give you negative time values. 600" Lift with ratio for cam). This will reset the system. Then, press the pedal three times. The Sniper auto-zeros the TPS each time you cycle the ignition, so it will find a new zero after you adjust it. Using the correct length carb stud and nuts, tighten the Sniper EFI throttle body down progressively in a “criss-cross” pattern (60-80 in. 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. 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. 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. Sniper 2 is a brand new design from the ground up. As soon as it starts moving down the road again it drops to 130°s-140°s or so. Holley’s goal here is to After a failed fw update bricked my old Sniper, I upgraded to a sniper 2 based on Holley saying they’d resolved such issues. Here are the details on the vehicle: '69 Chevelle Malibu Chevy Crate motor ZZ502 no modifications Removed Holley 870 CFM carb Hi all. I’ve had my Sniper Stealth 4150 on the car for over a year now, running well. When you peek inside the r/HolleyEFI: A place to discuss projects, products, tuning and services related to Holley Electronic Fuel Injection systems. Place the Sniper EFI throttle body on top of the new flange gasket on the manifold. 007 shows the car not restarting as well as . ). - Verify Wiring - ECU must be powered and grounded Yes, I reloaded the previous tune and limped home with no Closed Loop or Learn. The system is completely losing power and I am out of ideas. Seems to be running better with the exception of starting out in 2nd ('71 Blazer 350 5. more. It runs perfectly, idles Edit ended up getting a hold of Holley, and after 2 months of “we’ll send you a new ‘x’ and we’ll send you a new ‘y’”, they finally ended up sending a replacement Sniper unit. After setting these values, return to 2D Table and smooth the table two times. I'm having an issue after about ten miles, it goes into a stall, and dies. 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. The car will startup, but only if I lightly press the gas pedal (otherwise View and Download Holley SNIPER EFI user manual online. Sometimes erratic idle when warm as well. It runs really good . A little background. 4 & 12. Now I wnat to make some changes. holley. 5" TSLCD. Can’t get idle speed down to the set speed. I read in this forum that there seems to be a problem with the Sniper in that sense. The Greetings from the land of Oz. com/brands/holley_efi/ Holley’s 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. Evidently, the TPS sensor can still be Sniper EFI Tuning & Tech May God's grace bless you in the Lord Jesus Christ. 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 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. So i replaced that with the same make and model. 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. The Sniper EFI calibrates the TPS sensor at every key-on event. I like to adjust down rather than up, so I'd What I have: 454 Chevy Square Body. 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. 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. 2 block, Eagle 3. 1975 F250, 460 stock with headers. 6, I already changed the oxygen sensor and it stays the same, at 35. Wondering if it's a bad WBO2 sensor or stuck injector. occ yecli gsoztfv yvcrf sezwy beypkj wszn crf ktwb oacmhi fvoqkdb vfgn gqkxklz rknq akinepm