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Re: P0171 at idle and off idle
Posted to Technical Discussion Forum on 2/16/2014 2 Replies

hey Michael

when the vehicle came in, I had three thoughts within thirty seconds of connecting the scan tool, maf, a/f sensor or lack of fuel.

my first thought, a/f sensor, I sprayed carb cleaner and the fuel trim went toward zero very quickly, so I went a... Login to read more.

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