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  1. Z

    16196395 PCM

    Thanks for that. still looking through that many many pages I think it needs that for cold weather starting and as an indicator for fuel mixture
  2. Z

    16196395 PCM

    Thanks for the link, but it don't show anything for IAT or MAT
  3. Z

    16196395 PCM

    Yes it is the IAT, sorry thought GM called it MAT everything else checks out coolant temp, knock sensor ,and all (he had that unhooked too) just shows me air temp -40F thanks for the welcome that site, which I joined several years ago says they deleted them due to copyright.
  4. Z

    16196395 PCM

    Hello, new to this forum as far as joining. Been checking it out for a while though. Bought a 1994 c1500 about 3 years ago from someone who totally screwed this thing up took me a long time to get this thing back so it will run again, but Im missing one thing I need to get it running properly...

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