98 gs only firing on 2 cylinders

Posted by skyjacker, Feb 7, 2010

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  1. skyjacker

    skyjacker Probationary Member

    Joined Jan 3, 2010
    shawnee, Oklahoma
    ok, i've checked everywhere on here and can't find what i need. my problem is on a 98 gs with a 420a, it will fire on #3 and #4, but not 1 and 2 i 've changed the coil checked the ecm connections. i don't know what else to check. oh and what started all of this is my noob move of the day was washing under the hood of my car, before that it ran perfectly

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  2. Hiitman

    Hiitman Awaiting Email Verification

    Joined May 12, 2004
    Colorado Spring, Colorado
    Check all connections. Pull off things like injector clips and re-connect them. You probably knocked something lose.

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