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International Automotive Technicians Network
Re: GM P1404 - EGR Closed Performance
Posted to Technical Discussion Forum on 3/2/2006

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Hi Erik! Is that an EGR pintle position code? I believe the PCM relearns the pintle position on it's own. What does the scanner say KOEO? Have you tried wiggling the harnesses while watching the Actua... Login to read more.