2) Leaks at slip joints - some replicas have slip joints between the header flange and the muffler. I also tried another Sniper throttle body and hooked up the electrical and the screen lit up and worked fine. The Super Sniper Stealth contains 8, 100lb-hr injectors and can support 1,250 horsepower and 21. Our current headache is the throttle is very, very touchy from 0 to getting moving. Scrutinize: It's no surprise that the most widely used intake flange has the widest range of options. 08-31-2018, 01:37 PM. The simple answer would be to upgrade your EFI along with the power adder to something that either has more injectors or larger injectors. May God's grace bless you in the Lord Jesus Christ. What I have: 454 Chevy Square Body. Don't get me wrong the Sniper kind of works, but I don't think it's that great. Harness signal wires wrapped/sleeved, no change. Thanks in advance for your help. It has a 302 engine from a '98 explorer, 2 barrel intake manifold, Pertronix ignition kit, and fuel pumps from an '89 Bronco. Let's take a look at the items that would need to changed or can handle the higher pressure. And then the Sniper would add fuel thinking the engine was running a lean condition. You'll know you're experiencing a fax sending problem if your machine displays an error or prints an error page each time you attempt to send a fax. great big rollin railroad Every since I changed that PID the car has ran great (EFI wise). I'm using the plug & play harness as well for ease of installation. I installed a new fuel tank with an in-tank pump. “It’s geared more toward motorsport, for the most part,” Lunsford says. This will eliminate any chance of RFI. There are a few tell-tale signs that can help you diagnose the problem. All EFI systems require consistent fuel pressure where the fuel pump pickup is always submerged in fuel Some TBI systems like the revised MSD Atomic and the Holley Sniper (among others) allow you to access and expand upon the idle, cruise, and WOT AFR and ignition. If you do a search you will find that this is a common problem. I attached my current Config File and most recent datalog. Why does gasoline contain MTBE, and what is the problem with it? Advertisement If you have ever pumped gas that claimed to "oxygenated" -- something that is common in most urban ar. Nov 17, 2022 · One of the most common symptoms of a Holley Sniper EFI problem is an air/fuel mixture that's too rich or too lean. Specs of testing: Truck outside over night high 20°F - low 30°F snow on vehicle and not started for 12hr before and during this test. Would a faulty distributor cause this, and how could I verify prior to dropping another $500. The datalog is from 1. 04-24-2024, 08:08 AM. 6, I already changed the oxygen sensor and it stays the same, at 35 I read in this forum that there seems to be a problem with the Sniper in that sense. teaching transparency worksheet atomic orbitals If the CTS is 10° or more higher than the MAT, the CTS is a faulty Holley unit and must be replaced. Use the search box and insert the word "bogging". I think it has to do with my timing. I have a customer with a 1968 C10, very mild 454 with a QuadraJet intake and we were looking at the Sniper QuadraJet system. It has a Pro-Billet distributor, 6AL and the Sniper. I ended up finding a failed injector causing 99% of my problems. Just put Holley Sniper on our car and instantly having issues. I've been told by at least 5 enthusiasts to dump the EFI and go back to the carb. 08-31-2018, 01:37 PM. RF Interference issues can absolutely ruin the Sniper EFI System owner's day. To be legal it needs to be on the switched side of the disconnect switch and can't be on the battery side. Tweet #1 Anyone 100% happy with the Sniper? 08-14-2018, 03:45 AM Hi all. The consumer buys stuff assuming that it all works, but sometimes it doesn't. “With a Sniper you can’t log a driveshaft sensor, for instance, and with the. We are not taught how to have healthy relationships, so we are left to figure it out on our own. 2) Leaks at slip joints - some replicas have slip joints between the header flange and the muffler. Have yet to get a good running condition with my Sniper setup. If you are having problems sending attachments in an e-mail, there could be a number of causes, including attachment size, type, location and destination. The screen opens comparing the Sniper to the laptop, but never finishes comparing. trial by written declaration speeding ticket example May 1, 2020 · Ive been running a Holley Sniper for a about four years now. Sniper EFI fuel pump continues to run after five seconds. Jan 20, 2020 · 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! This video is LONG overdue but I have finally figured out my sniper efi unit. Sniper EFI ECU and Handheld Firmware Revision Log V1 and V2. This truck is built to cruise not race. This is a very common Sniper issue that will impact both cold and hot operation. I checked and the power is off. 05-29-2024, 06:23 PM. Pay attention when on the Holley EFI Technical Library webpage. The fuel crossover has been integrated internally, and either port can be utilized for fuel delivery or return. The problem from what I understand is Holley's products are not compatible with each other. Scroll through the datalog to the problem area. My question is has anyone experienced other "add on" sensor issues that come from Holley such as sensors used for fuel pressure or oil pressure? I ask because yesterday I'm out in one of the cars that I have both fuel pressure and oil pressure wired into the Sniper for monitoring. Just completed some off-season maintenance. Nov 9, 2021 · I have a Holley Sniper EFI with HyperSpark ignition. Holley's Sniper EFI Stealth 4150 is the answer for anyone who wants the benefit of fuel injection, but wants everything underhood to appear as if that's a Holley 4150 carburetor under the air cleaner. Offering remote Holley EFI tuning. Holley's Sniper EFI division believes they have the ultimate solution for that tired old carburetor, the Sniper EFI 2300 TBI has now been approved by the U Coast Guard for watercraft and other marine applications The 2-bbl 2300 can support up to 350HP with its two 100lb/hr injectors, accepts the common 5-1/8" flame arrestor (Holley. Holley EFI. 03-03-2024, 06:17 PM. It simultaneously solves two problems common to lesser intakes: increased airflow and even dispersion to all intake ports. Here are some tips from Holley's EFI program engineer Doug Flynn on how to get the proper ground and voltage connections for your EFI system. Use the search box and insert the word "bogging". I have the Sniper all installed controlling timing and working fine.

This fixed the high throttle position sensor reading (TPS) of above 1% that likely caused my idle issues. If the CTS is 10° or more higher than the MAT, the CTS is a faulty Holley unit and must be replaced. I have probably watched it a dozen and learned something new almost every time "Holley" folder, "Sniper" folder, "Config Files" folder ( Your Datalogs are in the. Sniper 2 EFI SD Card Contents. Replaced one with a Holley OEM 02 and the second was with a bosch equivalent. Sniper EFI ECU and Handheld Firmware Revision Log V1 and V2. p o box 6072 sioux falls sd 09-17-2019, 12:32 AM. 5" TSLCD and computer won't be able to communicate with the Sniper. I have a Blueprint 383 stroker from Jegs, 430HP,can't find the paperwork today. 2) Verify fuel pressure at the Sniper with a pressure gauge. what is power bottom A leak/smoke test may be required. 5psi of boost making it ideal for blow-through or draw-through applications. 03-11-2024, 01:47 PM. I also tried another Sniper throttle body and hooked up the electrical and the screen lit up and worked fine. Holley says they re-designed Sniper 2 from the ground up. kawaling pinoy recipes Note that the vehicle, 1975 Ford Ranchero, has been driven no more than a hundred miles since the Holley Sniper installation. Truck is a Ford F100 with a 390 FE engine. When an engine returns to idle, the IAC will decay from this value until the idle speed returns to target. Each time, the same results: Noise on the RPM signal that is creating havoc. Stalling when stopping or coasting. It was working earlier, but it's since stopped working. The 550-867K, 550-868K, a. nclude the complete.

You get the same range if you select a non-Holley transducer5 volts aligns with 0 psi and 4 Use the set row values to get even spacing of the voltages across this range. Sniper EFI Tuning & Tech. The person I bought it from said he never could get it to run for more than a few seconds. May 1, 2020 · Ive been running a Holley Sniper for a about four years now. Jan 20, 2020 · 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! This video is LONG overdue but I have finally figured out my sniper efi unit. Software/Installer v2 Build:12 Required for use with Sniper Trans Control Windows Vista,7,8,10 Compatible. On the MAP, change the lowest MAP value to 20. I have a 406 cid SBC with 12510" lift, 248° @. I is recommended, fuel pressure needs to be between 55-65 PSI. Here's a good basic video for boost: https://youtu Remember, the only thing this EFI system self-tunes, is the Base Fuel Table, via the Learn Table. The Killshot EFI offers a fully adjustable software suite, enabling a high degree of customization for users. Tweet 05-21-2023, 09:24 PM. After installing the engine, Sniper, HyperSpark, and wiring, in the car. Sniper AFR Problems. Hello, I'm having some problems with my Holley Sniper and HyperSpark distributor. I even managed 14 MPG (16. Hooked up factory Tach wire (that formally went to coil negative) to Tach output Dark Brown wire and no Tach! I also had an old aftermarket Tach with the standard Red, Green, Black wires so. When pulling the red positive wire from the battery for 20 or 30 minutes, some suggest that before reconnecting the red wire, tap it to the ground wire. Holley Sniper Fuel Leaks. The injector clips wiggle loose and your unit. Below are also some helpful Holley EFI videos to prevent some of the common installation errors Holley Tech sees often with the Sniper EFI. While adjusting the idle speed screw, if the. 11-09-2021, 03:51 PM. penises black Download all of the instructions for the Sniper and the software to get smart on it ahead of time. If you are using the White wire (points or electronic amplifier) of the MSD to trigger the ignition, follow these steps. 03-09-2024, 09:22 PM. Holley 2300 sniper efi fuel pump problems. Datalog 2 (no cutting out). Fuel pressure is looking good at high 50s and low 60s when getting on it Air/Fuel Ratio is about 12. Currently running an MSD Pro Billet vacuum advance distributor. I found that many people had similar issues and the pressure regulator in the Holley Sniper isn't great and can fail. 565-519 Hyperspark dis. Nov 9, 2021 · I have a Holley Sniper EFI with HyperSpark ignition. To do this, open up the Initial Startup gauge screen that was used in section 17 With the vehicle in neutral, adjust the idle screw until the IAC Position reads between 2 & 10%. 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 breaking your bank. 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. In the Sniper manual it shows in all of the different setups that the brown wire is what goes to the tach. Today, I made the "mistake" of updating the firmware on both the 3 Overlay the datalog onto your Global Config File. Let's take a look at the items that would need to changed or can handle the higher pressure. But after sitting static idling for a little bit, the IAC goes to 100% & stays there. progressive insurance reddit A 750 double pumper Holley carburetor is a high performance carburetor that incorporates two accelerator pumps that are manually operated. ” – Jon Kabat-Zinn When it comes to pro. Heredity. Blueprint SBC 383 Stroker Engine, 400 HP. Sniper Teams - Sniper teams consist of two people thereby getting the most out of a sniper rifle weapon system. By connecting the EFI's main power and ground this way, allows the. Holley EFI If this is your first visit,. 565-519 Hyperspark dis. If your mixture is too rich, it means there's too much fuel and not enough air. I'm having an issue with my AFR spiking to mid-15 AFR from my target and sometimes it holds in the mid 15 until it starts to foul plugs. Like U Two months ago I installed a Sniper EFI on a stock 1968 Ford 302. TPS Position begins to read higher than 0%, cycling the ignition switch will recalibrate the TPS back to zero. I have a Holley Sniper EFI with HyperSpark ignition. I know it sounds like a lot, but luckily we're only dealing with DC circuits here. There's nothing, nothing, then it jerks forward. Overall great experience. Recently the tach signal became very erratic, so I investigated and found the pickup in the distributor had come loose and was grinding through the reluctor wheel. TPS Position begins to read higher than 0%, cycling the ignition switch will recalibrate the TPS back to zero. The second-generation design of the system, called Sniper 2, is built on the core concepts of the original Sniper, but with key technological updates throughout - many of which were brought into the fold based on customer feedback. Check the CTS (coolant temperature) & MAT (intake air temperature) and compare. EFI - Fuel Injection Carburetor Components.