negative fuel trims

  1. Woodzms3
    Thread

    Fuel trims pegged at -25 and rich A/F issue

    Hello everyone, need advice on still trying to trouble shoot this problem with negative fuel trims and afr ratio I have 2 other threads about this...
    Thread by: Woodzms3, Dec 22, 2020, 6 replies, in forum: Mazdaspeed 3 Troubleshooting
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