98 gs only firing on 2 cylinders

Posted by skyjacker, Feb 7, 2010
Maintenance & Repairs - Oil choices, timing belt, setting timing, CV boot replacement, alternator servicing, fuse/relay checks, and other basic maintenance, repair and diagnosis discussions.

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  1. skyjacker

    skyjacker Probationary Member

    Jan 3, 2010
    Likes Received:
    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
  2. Hiitman

    Hiitman Awaiting Email Verification

    May 12, 2004
    Likes Received:
    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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