Dieseling condition with e-force?
Instructor
Joined: Aug 2010
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From: TORONTO
Update:
Having had this setup for a while, I've found that I can bring the car to a stop and let it idle for about 20 - 30 seconds. There is an almost imperceptible change in the idle around that time and the rpm drops very slightly in revs. I see my A/F reading swing and smooth back out and after it does that, I can turn off the engine without any dieseling.
Elmer
Having had this setup for a while, I've found that I can bring the car to a stop and let it idle for about 20 - 30 seconds. There is an almost imperceptible change in the idle around that time and the rpm drops very slightly in revs. I see my A/F reading swing and smooth back out and after it does that, I can turn off the engine without any dieseling.
Elmer
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Instructor
Joined: Aug 2010
Posts: 220
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From: TORONTO
so dieseling has to be all the raw fuel left in the intake runners.......your idleing for afew second or crusing slowly before shutdown must reduce combustion camber temps low enough not to preignite remaining fuel.....if you tune idle with more fuel it will cool and lower combustion camber temps even more and quicker.... maybe you can run whatever tune you want as long as you allow the idleing before shutdown......ever try running a cooler thermostat and program fans to kick in at a lower temp?
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St. Jude Donor '13
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From: Montreal
St. Jude Donor '13
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Joined: Jun 2001
Posts: 18,599
Likes: 3,954
From: Jacksonville Florida BWO Dayton, Cincinnati, Bloomsbury NJ, Cincinnati
2015 C7 of the Year Finalist
