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  1. Electrical
    How would know if your ECM/PCM is bad on 94 Impala SS? I’m having electrical issues but I think my computer went bad…
  2. PCM Programming/Engine Management
    How can you get rid of the Vats completely? 1994 Caprice 4.3..
  3. PCM Programming/Engine Management
    Hey all! this is my first discussion! I've got a 96 and I'm currently changing out the gears to 3.73. I purchased USA Standard brand based on a couple posts about the Oscilator ring not fitting properly on a few other brands. I'll need to buy a tuner but I'm having a hard time finding one these...
1-3 of 3 Results