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  1. Chevy Impala 7th Gen Discussion
    About to do a coolant flush on my 04, 3800 Series II. Anyone know where the engine coolant drain is located? I’ve heard a couple different things from different sources. Some say it’s the same threaded holes as the knock sensors, some say theres a drain plug above the oil pan, and some say there...
  2. 7th Gen Engine Performance
    Car threw up a TPS sensor code so i replaced it cause it would stall at very low speeds if i slightly hit the gas but it didnt fix the problem, was told my PCM would need to be reprogrammed so i bought the ZZP 1.0, was planning on buying it anyways, but that didnt fix the problem either did i...