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Thread: Nasty misfire

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    Fuel Injected!
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    Nasty misfire

    Attached are the log/definition/bin files from an idle and 12 foot drive into my garage. It misfires pretty bad and almost dies when in drive and idling forward.
    Is it normal to see the spark advance all over the place like it is? Also the O2 sensor not oscillate as quick as it used to.
    This is a TBI to TPI intake swap. BJYL
    Attached Files Attached Files

    1992 Camaro Z28 5.7
    1995 Silverado 5.7 TPI

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