Quote:
Originally Posted by BabyDiesel
I have had a similar problem in my Escort. What I was told by one of the respected members at TeamZX2 was it is a vacuum leak. A bad MAF/MAP would cause + fuel trims. A vacuum leak causes - fuel trims. I think it is related to the EVAP on mine, or PCV lines. I know you have a Honda, but these are worth a shot considering our issues are similar.
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Thanks. But a vacuum leak would mean more air getting in, which would mean the ECU would add fuel, no? That would mean positive fuel trim, and I am seeing negative fuel trim.