sputtering idle at stop

  1. B

    2007 Yukon 5.3 rough/sputtering idle

    2007 Yukon 5.3 rough/sputtering idle while in gear at a stop. Runs great while accelerating. Last week it went into reduced power mode with code P2135 (wrong reading or voltage correlation issue between throttle position sensors) I turned the engine off then back on and it ran good. Did this to...

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