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  1. P

    Annoying P0171 (Bank 1 Lean) Issue

    Hi the purge valve/n80 valve was one of the first things that I changed. Ta
  2. P

    Annoying P0171 (Bank 1 Lean) Issue

    Hi, I have been trying to diagnose an annoying CEL on my car that keeps appearing. When clearing it takes a while to come back but it does come back eventually. I have used a diagnostic wireless tool to try and troubleshoot why the P0171 issue appears. I have done some data logging and the only...