Quote:
Originally Posted by JohnM.
Decided that I should at least try to mess with duty cycle a little bit. Adjusted to 50% with warm engine idling, but it still jumps to rich (9.2-9.4) when RPMS are brought up to 2500rpm. Obviously still an issue.
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Quote:
Originally Posted by ps2cho
Fluctuating by about .5v is right. Is it doing it fast according to the volts or slow?
When you open the throttle it should change, but 9.2v at idle is still running very rich. Give the mixture a 1/4 turn anticlock (lean) and see if it that helps bring the volts down to ~6.5
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We both posted at the same time
. I also tested the TPS and it does appear to be indicating the WOT signal and the idle signal correctly. All that leaves is, maybe, the ECU.
It was really weird though. When adjusting the lambda, I went just a snitch lean from the previous adjustment (7.5v) and then the Lambda just started dropping all the way down....slowly.....from 6.5v to ~2.5v....then I adjusted it a snitch richer and it was back to 7.5v. Why did it free-fall there?