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Sniper goes dead lean right off idle

Web17 Mar 2024 · Now go manually add fuel to the same area of your fuel table all the way back to just below where your idle is to eliminate the mismatch because as we know it will not compensate or learn those areas upon deceleration. Add fuel in 5 lbm/hr increments and then note the mismatch. Adjust as necessary. See if it still stalls. Web19 Apr 2004 · The quad runs great except for a dead spot right off of idle. It runs great at wide open throttle. No hesitation upon deceleration. Accelerates great. But if I give it just a …

Troubleshooting Holley Sniper that hesitates on acceleration

Web18 Apr 2024 · One thing I noticed is that with any partial throttle, the timing control readout shows the timing going to the "cruise" setting. Timing settings are 15 degrees at idle, 30 WOT, 32 cruise. Timing is verified with a light, fuel pressure is good, idles well. 72 Chevelle Malibu Muncie M20 SBC 406 KB Pistons PW Aluminum heads RPM Air Gap Intake Web21 Apr 2024 · Make sure you wire the ground and power feed from the sniper directly to the battery. Not thru the starter, not thru the solenoid, not sharing a ground with anything. Directly to the battery. This will eliminate 95% of EMI/interfence/power/voltage issues. 2. I have tried several intake manifolds and both are dual plane. ethical but illegal business recent news https://no-sauce.net

HELP! Holley HP EFI goes Dead Lean off Idle!! - Ford Mustang …

WebIDLE / LIGHT CRUISE: 13.5 AFR - target with GREEN mode ... 13.5 AFR (off-road vehicles) Most stock to slightly modified engines will run just fine at an AFR of 14.5:1 and yield better MPG. If you prefer better PERFORMANCE then we suggest to run an AFR of 13.5:1 or even richer to around 13:1. ... Mode, Left and Right Buttons - Buttons are used ... Web5 Aug 2006 · This IFR is the fuel metering for both the idle circuit and the transfer slot circuit. If your idle screws are 3 - 4 turns out, good bet this is your problem. Side note: The Holley BLUE anti stick gaskets SUCX they emitt particals after they get wet for a while. They will jam your fuel inlet. They SUCX - big time. Good Luck. Michael T thekingofazle WebBackfires - Popping on deceleration for a lean idle circuit or backfires in general. Runs on choke - The vehicle may run on choke when it's warm but stalls if the choke is turned off. Idles poorly - Fluctuations in idle RPM, stalling Engine runs hot - Due to more oxygen than fuel combustion temperatures are hotter reflecting on a temp gauge. ethical but illegal examples in healthcare

Lean Holley "tip in" - Don Terrill’s Speed-Talk

Category:Car goes dead lean off idle to WOT, Holley Super Sniper 8 …

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Sniper goes dead lean right off idle

Lean Misfires - possible causes? NastyZ28.com

Web24 May 2024 · It's just off idle at low RPM/throttle and it goes into Open Loop. One other thing I noticed was it was very hard to start this morning, like it has too much timing. But settings are 15° at cranking, and 18° at idle. It also felt like the battery was dead ish, but it checked out at a solid 12.9V at rest. Going to try less Cranking Timing. Web8 Mar 2010 · The transition circuit is fed by the idle feed restrictions and controlled as well by the idle air bleeds, by lowering the idle air bleeds you will enrichen the transition circuit …

Sniper goes dead lean right off idle

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Web9 Dec 2024 · It seems like the Sniper is trying to control idle and closing the IAC to bring RPM down. But at that time the RPM are at 2200 down to 1800. So idle control shouldn't be active correct? Is correcting the lean spike as simple as adding fuel to that area of the table since it's in deceleration and not Learning at that point? Web18 Jan 2013 · The engine idles nicely and has the most vacuum with the carb dialed in around 13.5-14 afr, but just verily crack the throttle and it goes dead lean 16-18afr. After I …

Web24 Dec 2016 · Jeez Bob, You need to go play the lottery! I think it's the 02 sensor also. My son's fuel pump quit right in the driveway. Came home from school shut it off next … Web1 Dec 2024 · Verify with a pressure gauge that you are getting 60 psi at the Sniper. Don't assume that a new-ish regulator is correct. With a helper, remove the air cleaner and have …

Web29 Mar 2016 · It goes DEAD LEAN as soon as I try to pull out of the driveway! It basically dies and lean pops through the intake. It absolutely runs like a pile of crap!!! I'm using the … Web11 Aug 2024 · With the engine at full operating temperature you should be able to stick your finger in the IAC inlet port on top of the throttle body and the engine should simply idle down about 50 RPM below your programmed idle speed. If it dies or drops more than 50-75 RPM the throttle is closed too far.

Web11 Oct 2024 · For example, there is one case at 1000 RPM where the timing is 23° at idle and then jumps to 34° at 1000 RPM at about 90 kPa. This can cause poor running or a misfire that will cause a false lean reading at the WBO2 sensor and then system tries to keep up …

Web2 Aug 2024 · So if the +12 Volts "goes away" during the crucial start cycle the EFI ECU is essentially "Brain Dead" seemingly at this point. So, yea it gonna ALWAYS be hard to start! TL/DR (Too Long/Didn't Read) MAKE ABSOLUTELY CERTAIN that the switched +12v you hook the PINK WIRE up to on the Holley 550-871 4150 Sniper Stealth system is connected … ethical but illegal marketing examplesWeb14 Aug 2024 · Idle is set at 725 rpm Click to expand... Hello. If tweaking the Acceleration Enrichment doesn't clear it up you might just need to wait for it to do some more learning. And if that doesn't work out you might need to do some hand-tuning on the laptop. When you hammer it, watch the air-fuel mixture display and see if it's going rich or lean. ethical butcher google reviewsWebSwitch the power to the Sniper off. ... if the temperature displayed on the handheld is still above 160 degrees the engine should go right to it's target. The IAC should display a 2-8% to bring the idle up to the actual target. ... Also its extremely rich at idle. Is there away to lean the idle out? I'm new to the efi thing and any help would ... ethical but illegal in businessWeb5 Nov 2024 · Cam is a solid lift 237/[email protected]. 12 inches of vacuum at 900 rpm idle. Transmission is a manual 4 speed. NP435 which has large ratio changes between the gears. The stumble happens around 1200rpm. If I’m just easing around and run the rpm up to 1800 in 2nd then change to 3rd the rpms drop to 1200. ethical but not legal act exampleWeb16 Feb 2024 · injectors seem to be spraying fine when looking into the throttle body and getting it to go lean. Using MSD and 6al and timing control. Ive locked the timing in the … ethical but illegal in clinical psychologyWeb24 Dec 2016 · Jeez Bob, You need to go play the lottery! I think it's the 02 sensor also. My son's fuel pump quit right in the driveway. Came home from school shut it off next morning , nothing. Same truck, I was cleaning the throttle body started it up, gave it a quick blip of the throttle, POP dead as a door nail. Turned out to be the dizzy gear. ethical buyingWeb13 Oct 2024 · 10-13-2024, 09:43 PM. Look into RoC Blanking (Rate of Change Blanking). If the Acceleration Enrichment is a active during light cruise and/or seemingly steady … ethical butcher wembley