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power loss

  1. robster495

    LQ9 Swap, Programming Issues?? Lean, Rich, etc!

    Hey guys, I have an lq9/4l65e out of an Escalade in my '91 burb. It starts up every time, and runs great in the beginning. Once it warms up and gets to operating temperature it acts crazy. Most of the issue is when idling in gear, not in neutral or park. I have long term fuel trims way off ...
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