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Thread: 2003 vectra c 1.8 misfire Live data

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    Default 2003 vectra c 1.8 misfire Live data

    Hi All

    My 1.8 2003 vectra is misfiring at idle and when pulling away the revs drop before they pick up. Also if you hold the revs at i.e. 2000rpm the rev meter moves about 50-100 rpm on its own. MPG at about 23. Does anyone know what the live data should be as i have a code reader and can view the live data of the MAP and O2 sensors.

    Regards Andy

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    Default

    Front O2 should switch between .2&.8v rear should be a steady .45

    map will change with load but roughly 100kpa if remember rightly

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