Injector problem

Discussion in 'Vectra' started by stuartc44, Apr 18, 2024.

  1. stuartc44


    Apr 18, 2024
    Likes Received:
    I have a vectra c with z22yh engine, beleive it or not I am having some fuel issues. White smoke, strong smell of fuel, misfiring and undrivable but it occasionally clears and runs fine. I believe I should have a constant voltage to the injectors and the other side switched to ground. If I'm right, my first question is what voltage should I have? secondly should this be ignition on or engine running or both. And finaly to clarify this is to battery negative?
    stuartc44, Apr 18, 2024
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