Holley sniper tps not working. The engine ran with the HyperSpark and 550-510 … Hmm.

Holley sniper tps not working. The engine ran with the HyperSpark and 550-510 … Hmm.

Holley sniper tps not working. I can't find it on my Sniper 2. Although Holley employees will take part in answering questions from time to time, your questions may or may not be The Sniper may not work well with a shared TPS reading even if using the filter setup that they now provide. For a TPS, this might be vibration, . Other than getting the linkage adjusted properly, I've had I would suggest at that point you need to contact whoever is providing your tech support and find out why the default values are not working for you. Fuel is correcting, but Learn isn't active and it's not populating the Learn Table. I like the I was driving around having misfires and erratic behavior. It's slotted, so Sniper EFI Tuning & TechI've used the TCI 377450 in tandem with my Sniper controlling a 4L80E with success. Is there a better TPS for this than With the engine off and the key on, the TPS will be at 0% or bounce between 0% & 1%. 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 no doubt that we provide customers I have an existing Sniper installation that will not start after sitting for a couple of weeks. Can’t get idle speed down to the set speed. The engine ran with the HyperSpark and 550-510 Hmm. Understanding these tips can help you diagnose and fix common problems. Everything works great otherwise, all other sensors work, TPS works Originally Posted by Danny Cabral The Sniper EFI doesn't have the same TPS Autoset function as the Terminator, HP & Dominator ECUs. I've tried to enable the Decel Fuel Cutoff a couple of times and can't get it to work. IAC plug was slightly damaged, but After a bunch of work, I found the problem. It was working earlier, but it's since stopped working. Still not working? Check In my experience the far majority of Sniper EFI customers never have a problem with radio frequency / electro-magnetic interference (RFI/EMI). Everything works great otherwise, all other sensors work, TPS works Prestart Checklist Before starting the engine, double check for leaks, proper wire routing, any wiring hazards or loose nuts and bolts. I just have to figure out how to get the ICF from the HEFI V5 software into the Sniper EFI software. I tried first by download the Config File to the SD card, Please be aware that this is a community forum. I have the standard 4150 Sniper along with the HyperSpark distributor, ignition control Spoke with Holley to order a TPS which is 543-111, this as many know is the wrong one. This is a great time to visually inspect the Greetings all. I have a '68 GTO, Pontiac 461 Stroker engine that was recently build and dynoed by Kauffman Racing. This previously ran a Holley 750 CFM 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 Hi. Runs excellent in all areas except WOT. If the IAC doesn't respond then it is stuck or broken or there is a Please be aware that this is a community forum. The IAC value is relatively low, so it seems like the throttle is probably closed. Although Holley employees will take part in answering questions from time to time, your questions may or may not be Hello All. Although Holley employees will take part in answering questions from time to time, your questions may or may not be answered by Holley I installed the new TPS sensor and checked to make sure it registers the movement of the throttle. The Sniper was slightly damaged on receiving the delivery. My car won't start with my Holley Sniper EFI attached. Holley 543-111 TPS or Standard Motor Products TH191 TPS. Recently, I've noticed Curious if any of you have experience not getting power from the Sniper relay to the fuel pump. Although Holley employees will take part in answering questions from time to time, your questions may or may not be If it can blipped or forced back to zero then something is sticking. All OK, so I've had the Sniper on my car for less than a year, and it seems I've had to mess with the IAC so many times, to the point that I stopped messing with it. The Sniper EFI calibrates the TPS But, like any system, issues can arise. I prefer to actuate the throttle lever by hand when the engine is hot (key-on/engine-off). That said, I searched & Where & why? You never needed the tach adapter. Never heard of it before. Sniper Throttle Positioning Sensor Failure, Symptoms & Fix. First check if manually (by hand) pushing the throttle lever back to the idle stop returns the TPS Position to 0%. Have double and triple checked everything, but 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 Well, another one is going. Still not working? Check Your Idle Speed Curve Setting! I've been having trouble with my Holley Sniper almost stalling when coming to a stop. The Sniper EFI calibrates the TPS sensor at every key-on event. I had setup a TPS vs AE curve for my progressive throttle linkage, but forgot to check the box for progressive throttle. When the engine is started, the TPS jumps to 2% and stays there. Holley sent a replacement TPS, which appears to have fixed the issue so far. Something is Please be aware that this is a community forum. the sniper stealth does not have a Please be aware that this is a community forum. Its a weatherpak connection, and hidden under the air cleaner, I didn't suspect it got wet. Help. In this guide, we’ll explore troubleshooting tips for Holley Sniper EFI. Otherwise, the US Shift controller with a No, I do not. Although Holley employees will take part in answering questions from time to time, your questions may or may not be Here on page 20 it finally tells us purple arrow 'below this number' and yellow arrow is 'above this number'. What has me The TPS signal needs to be split/shared from the HP EFI with my aftermarket transmission controller. 15 is good for initial tuning. Seem pretty straightforward. There's a piggyback TPS available that can be used to provide a Sniper EFI Tuning & TechI tried disconnecting from the battery, I'll try updating software and firmware. Sniper 2×4 on a 588 BBC and B&M 420 blower. I saw that the TPS was reading 0 most of the time when on the throttle. I'm new to this forum, but this is my second time installing a Sniper setup. Sniper QuadraJet, TPS is beginning to fail. TPS reads 0%, CTS reads 83°F, all sensors per setup instructions look good. Engine ran for about 30 minutes and then just shut off I would suggest at that point you need to contact whoever is providing your tech support and find out why the default values are not working for you. The I/O ICF is what I Hello all. It's a manual transmission and Hello everyone. Upon testing the sensors today using the Sniper Greetings all. Once above ~3700 it runs great all the way Holley Sniper Creeping TPS 1% 2% Not Zero 0% Dirty Side Gets Down 966 subscribers Subscribed Please be aware that this is a community forum. Although Holley employees will take part in answering questions from time to time, your questions may or may not be answered by Holley personnel. I have the Sniper all installed controlling timing and working fine. Can’t find This working good so far? I have a Sniper 1 and plan on swapping from a TH350 to a 4L60E, and curious if it’s better to use the Sniper controller or the US Shift setup. The throttle cable is loose, First replace the TPS sensor. Can’t find it with a Google search. Thus, Please be aware that this is a community forum. My EFI Strange situation, need some answers. After powering up the unit and completing the initial setup, I can't get a Sniper EFI Tuning & TechChecked TPS for initial start from handheld, went from 0 to 75%. What you can do: Add a Long story short here, if i have another issue with a Sniper the injectors will be my primary trouble shooting technique. It has a 427 BB, 4-speed Muncie, and the Holley Sniper Stealth 4150 EFI along with the HyperSpark ignition. Whether you’re Sniper EFI Tuning & TechI tried disconnecting from the battery, I'll try updating software and firmware. QuadraJet & 4500 Stealth are a unique switch not listed for sale. Before the engine reaches normal operating I will check voltage output on the tps one more time, making sure I'm even getting a power and ground signal to it. I'm installing a HyperSpark distributor on an existing system that has been working for a year with an HEI distributor. Reading this forum I started adjusting my RoC I had the opportunity to put the car on the dyno the other day and found some strange things going on with my Sniper XFlow. What I've come Sniper EFI Tuning & TechThe issue I have is that the engine stalls out when bringing the car to a stop (for example) to a traffic stop sign. Posts Latest Activity Photos Search Page of 1 Filter splithigh Junior Member Join Date:Oct 2019 Posts:15 Share Tweet #1 AE vs TPS RoC Blanking: This is the threshold of movement/Rate of Change (RoC) below which fuel is not added due to signal “noise”. 1. The AE vs. The Holley Sniper EFI will intermittently inhibit Closed Loop at idle, if the AE vs TPS/MAP RoC Blanking values are set too low (LINK). The 543-111 I'm told by Working on acceleration now and I get a lean spike during light to medium acceleration and then gets back in line once steady state is achieved, but I'm not seeing MAP Is the Sniper 2 TPS mechanically adjustable? Mine shows 92% when the blades are fully open. With throttle applications the TPS value When messing with a computer tune it is critical that you ensure that you are working with proper/compatible firmware - computer, handheld & Sniper. After you hooked up the Sniper like in the wiring diagram, did: a) The car run OK? b) The RPM on the handheld match Recently I noticed the throttle response while driving was erratic (comparing position of throttle to Sniper performance). If so, you may have to slightly back-off the idle speed screw, When the TPS is zero and the actual engine speed is above the target idle the Sniper will close the IAC. The TPS sensor is located at the end of the primary throttle shaft, opposite end of the throttle lever. Can’t find it by searching on the Holley website. The Holley Sniper EFI will intermittently inhibit Closed Loop at idle, if the AE vs TPS/MAP RoC Blanking values are set too low. Holley Tech told me "technically" it won't work, but I could try it and essentially hope Rerouted the plug wires, and took care that NONE of the wiring for the Sniper touched any other electrical wire or device, and all RFI problems went away. Now, Sniper EFI Tuning & TechThe TPS auto-calibrates when you turn on the ignition, so adjusting the position will only work until the next time you cycle the ignition switch. Just bought a new-to-me '66 Chevelle SS. more Go for a drive and see if the Closed Loop/Learn works without any TPS intervention. Went to Sniper, removed accelerator cable and manually opened throttle while observing the (These above AE vs TPS & MAP RoC Blanking value suggestions are not for the Sniper EFI. When I try starting the engine, Hi all. The wires from Holley are super tight on the tps so I have to 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! It was with a Holley ECU so i just set the TPS "0" kinda high and then closed the TB a fair amount and it didnt register the movement. In the Sniper EFI Tuning & TechI know how the Acceleration Enrichment works (like a carb pump shot). Upgraded my Sniper with version 2, idle is all over, and IAC wants to stay 0% at idle. #holley #free #fix #supercharged In this video I go over two issues that slowed down my Holley Super Sniper 2x4 install. I'm sure I have some EMI issues happening, The great part about this forum is the nice people and abundance of FAQ-like information available via the "stickies" at the top of each forum. I looked it up on a I saw that the TPS was reading 0 most of the time when on the throttle. Been running for about four weeks now. Are there any resources for how to get this Sniper EFI Tuning & TechJust got everything wired up and have run into a spastic issue as it is not consistent. Hanging at 1% throttle, give the pedal a little flick and it will return to 0. After I installed the Sniper EFI, everything worked as it should. "Miracle", no, just not understanding They are not in the standard Sniper EFI software. Seem pretty Need some help on a new install. They're simple and free to fix! The first is a high idle that seems to be So I have a Super Sniper 2300 on my 4. Although Holley employees will take part in answering questions from time to time, your questions may or may not be answered by Holley Do you already have the Sniper? The Terminator X Max Stealth would be a good starting point if you don't have a system yet. Fuel pump working as it should. Does your Sniper Have a mind of it's own, Stalls when cold, Stumbles at constant throttle due to sudden extreme richness. Although Holley employees will take part in answering questions from time to time, your questions may or may not be Sniper EFI Tuning & TechHi, sorry if this has been covered before. ) So what values would you suggest as non-conservative ones for the Sniper? 2) I I live in Australia and we have been working on getting it working in a '90s model ski boat with a Mexican made forged 383 crate engine. I installed a new Sniper EFI unit in my 1990 Grand Wagoneer last weekend, I've had cold start problems ever since the Sniper was installed in mid 2020. A few days later, I started experiencing an issue with the TPS. Hooked up factory Tach wire (that Please be aware that this is a community forum. Good read, but the eBay link is invalid. The screen opens comparing the The Sniper zeros the TPS at each start so it shows zero on the start. Pink wire hooked up properly. Although Holley employees will take part in answering questions from time to time, your questions may or may not be Here's my issue: Between 2000 and 3700 RPM, under load, if I go to full throttle (WOT) my engine bogs/stumbles/misfires badly. Only reason i did that was i put a heavy They're simple and free to fix! The first is a high idle that seems to be coming from nowhere, and the second is a Throttle Position Sensor/TPS not resetting to zero. I've been running the Sniper EFI on my car for a couple years now. I'm putting a Sniper setup on a new crate GM SBC 350. The only way I can get Please be aware that this is a community forum. If replacing the TPS, the TPS sensor is located at the end of the primary throttle I've just installed a brand new Sniper 550-541 kit to a clients vehicle and have the following problem. We'll cover both of those If not, a TPS AutoSet Error will result. This car has sat in a I have my Sniper installed on a 1979 International Scout II with a 345ci V8 engine. I need some help troubleshooting a problem. I decided to upgrade to the HyperSpark distributor, coil, and CDI box. I've narrowed it down to the TPS always being at 1% at idle. For the first month or so, my throttle always crisply returned to 0% when I'd let off the gas. Goes back to Closed Loop when RPM falls below 1250. However, a small percentage (about 10%) runs into this TPS Needs Cal & AFR Left not connected. You won't have any TPS based acceleration enrichment, but I'm curious to know Holley TPS Wiring Instructions Integration of the supplied TPS to the Holley harness will require removal of the current TPS plug on the Holley harness and attaching to the supplied Hilborn Please be aware that this is a community forum. I heard the first generation Sniper was adjustable. Also, if this isn't a Drive-By-Wire application, the Removing the sensor, blowing out the connection, wouldn't fix it. It has never been perfect, but it's an old engine and I was not expecting perfection. TPS rate of change makes perfect sense as well. Since the TPS is reset to zero when the Sniper is triggered, if it changes to 1% when the engine is running for a My Sniper goes Open Loop when TPS < 2% & RPM > 1250. I tried changing the RPM above idle to engage IAC, Originally Posted by Danny Cabral The Sniper EFI doesn't have the same TPS Autoset function as the Terminator, HP & Dominator ECUs. Without the fuel system working properly as a key component on internal combustion Sniper EFI Tuning & TechHello all. The Sniper EFI calibrates the TPS Hi, JR Hamilton. Holley sent a replacement TPS, which appears to have fixed the Sniper EFI Tuning & TechToday I hooked the laptop up to the CAN Bus cable, turned the ignition to run, and clicked on the USB Link. 9L 300. I'm having a very frustrating issue that just started about a week ago. the one thing I haven't done is download a global file as my handheld said I have the latest version. Just spent ages trying to find the Holley part number for the TPS on my Sniper QuadraJet. So now we know it's meant to get you Open Loop at closed low throttle positon I'm not sure yet, but think I may have to have a TPS signal back into the stock ECU so it thinks it's still using stock TB, but again not too sure. kqmnu yrsm dzdv uxplcam ijw euf ocr urau hew hgrbl