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  1. S

    Power Loss 05 LS 3.0

    I had some recent Coil Pack problems with my 05 LS. The car has 122,000 on it so I put 6 new ones on along with new plugs, I put platinum ones on and gapped them to .054. The car no longer misses but has a dramatic loss of power. I will do my best to describe this so I hope the following makes...
  2. S

    Self Test Code for 05 HVAC system

    Does any one know if there is a self test, or an on board test a guy can do to the HAVAC system on a 05 LS. I use to have a late 90s car and I remember pushing a sequence of buttons on the heater controll and it would go into a self test mode and then tell me what was going on or at least where...
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