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washed engine

  1. D

    Washed engine bay on 3 valve mustang

    I’m not quite sure what’s wrong it’s been almost two weeks and I’ve had it diagnosed showing it’s misfiring on 5 different coil but they’re all good and got new spark plugs and still runs reall rough like it’s to rich or too lean. When I give throttle it’ll just putter real hard or die...
    • D_series
    • Thread
    • Mar 28, 2019
    • 2006 mutang 4.6 check engine high performance mustang gt throws misfire washed engine
    • Replies: 4
    • Forum: 2005 - 2009 Specific Tech
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