carbon monoxide

  1. tegucruiser

    3fe emissions race

    Hi, I have a 92 3fe and I am struggling to find why my engine stumbles. My emissions reads to much carbon monoxide......92 over 25. It came down from 150 over 25. I am saying is it should be 25. Denver Colorado The cruiser has a a few bumps in the idle that I can't figure out. It drives...
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