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Very Weird fuel trims
Posted to Technical Discussion Forum on 6/3/2003 5 Replies

I wonder if someone can zoom in on this very weird condition I have with a 1999 Corvette.

This M.Y uses a 75mm MAF. I was asked to test the car with an 85 mm MAF. I can tune the PCM calibration using a programmer tool which then overwrites the PCM calibratio... Login to read more.

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