Nettet13. mai 2014 · The Holley accelerator pump assembly that consist of the pump diaphragm, pump cam and pump nozzle. Start by checking the adjustment of the accelerator pump … Nettet7. jun. 2016 · Issue: When cruising, I have a vacuum gauge hooked up to manifold vacuum and whenever I am under load or lightly accelerating, around 11" to 10" of vacuum it surges a little but not terribly then 9" to 8" of vacuum it stumbles, sputters, and almost sounds like it goes completely lean if not all air at that point then after that smooth as …
HELP! Holley HP EFI goes Dead Lean off Idle!! - Ford Mustang …
Nettet6. mar. 2024 · The engine is screaming for fuel in that area and the Sniper can't deliver because of the restrictions placed on Closed Loop. You may have restricted those areas for some reason, but a combination of low Closed Loop and an issue of actual timing versus what should be commanded both add up to problems. clean vomit from foam mattress
Troubleshooting Holley Sniper that hesitates on acceleration
Nettet11. mar. 2016 · Check the TPS switch and the IAC motor. As you can see, FAST systems are unreliable garbage and hard to diagnose. I switched to Holley Sniper XFLOW and junked the EZ EFI 2.0 and the FAST … Nettet22. mar. 2015 · The stumble that i hear when u start from a dead stop could be in your accelerator pump adjustment. Try moving linkage on the pump arm and see if it helps. Also check you coil output HEIs should jump at least an inch gap. I have tried all settings per the edlebrock tuning guide with no luck. The coil is working very well and is very strong. 0 0 Nettet1. mai 2024 · Stumble on Acceleration (Datalog & Config Included). 05-02-2024, 02:52 PM. Hey everyone. I was wondering if anyone can take a look at this datalog of a short … cleanview mac