Quote:
Originally posted by hookedon210s
I had a similar problem with my 91 300TE. It would idle at very low rpm's when first started cold and almost stall. When warm , it would miss a bit like the fuel pressure had leaked down after hot shut down. I threw an idle control valve, OVP relay, fuel pump check valves and injectors at the problem. Turns out the basic fuel mixture had just drifted too lean for the lambda system to compensate. A simple readustment of the duty cycle to 50% cured all of the problems. I feel like such a bonehead. Sometimes it's the simple, overlooked problems that are the culprit.
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Seems like my problem ideed hmmm...
se url here... But how do you measure the "duty cycle"... Obvoisly really, i don't understand - sry ;-)