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International Automotive Technicians Network
Re: P0300 that keeps coming back
Posted to Technical Discussion Forum on 5/4/2018

Still struggling to come up with something on this vehicle. Freeze frame shows code set while idling and ECT 70 degrees. Misfire history doesn't point to any particular cylinder or bank. Fuel trims are varying from -3 to -8 at idle and are great while driving.... Login to read more.

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