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  1. Terrible

    LB7: 2002 GMC rough idle and white smoke

    Checked compression today, one dead hole, Crap:(
  2. Terrible

    LB7: 2002 GMC rough idle and white smoke

    Cool, thx for the info, will pick one up tomorrow
  3. Terrible

    LB7: 2002 GMC rough idle and white smoke

    Thx, the smoke was worst before the new injectors, Will find a compression tester tomorrow :thumb:
  4. Terrible

    LB7: 2002 GMC rough idle and white smoke

    No the smoke doesn't clear when reved up past 1800, How do you do a compression test on a diesel, I'm in Edmonton, Alberta, Canada
  5. Terrible

    LB7: 2002 GMC rough idle and white smoke

    Hi guy's New to site, just installed brand new injectors from GM and truck still has rough idle and blows white/blueish smoke, light smoke at idle, more smoke when driving and higher RPM, same problem before new injectors installed, all research pointed at bad injectors, fuel filter is new, no...
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