rich a/f

  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
  2. Woodzms3
    Thread

    Need help, extremely rich A/f, rough idling, and lots of white smoke (data logs attached)

    hello everyone, pretty new here and looking for advice. so I've been chasing down this problem for quite some time, it all started when i swapped...
    Thread by: Woodzms3, Oct 6, 2020, 23 replies, in forum: Mazdaspeed 3 Troubleshooting
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