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Re: Code P1391 Intermittent Loss of CMP or CKP
Posted to Technical Discussion Forum on 4/29/2010 2 Replies

Everything testing "ok" means that durning a FAULT condition, since the code was present, light was on, had rough idle, all components mentioned previously were tested and checked for any defects or faults, none were found thus making them ok, passable, functi... Login to read more.

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