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  1. #1
    Join Date
    Oct 2006
    Marysville, OH

    Default Chevy check engine light for misfire

    My 2003 Z71 Suburban's check engine light came on and gave a code for a random misfire. The tech at the garage recommended changing the Chevy fuel filter and Chevy Sensor I started off with the cheap route and had the fuel filter changed. It seems to run a bit better, but that could be because I have hoped that they fixed it. The code was reset and hasn't come on since.

    Talking to someone later in the day, they told me that GM had a problem with their fuel filters. Is their any truth to this?

    Chevy Parts

  2. #2


    For that year? I've not heard about it. Had the code gone away for good?

    10 Chevy Traverse LT AWD
    02 Chevy Trailblazer LS (110K+ miles - loaded except for 4WD - WRECKED!)
    99 Chevy Cavalier LS (105K+ miles - commuter car)
    78 Chevy Suburban Silverado (454, 3/4 ton)
    62 GMC 3/4 ton Pickup (350 police interceptor)

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