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  1. Re: Failed emissions test, need help with diagnosis

    They only have two counties in Idaho with emissions, and I'm still living with family for a while. I did check the codes before I went, it only came up with the speed sensor code.
  2. Re: Failed emissions test, need help with diagnosis

    It turns out I have an extra 02 sensor, so I'll install that and hope I pass this time.
  3. Failed emissions test, need help with diagnosis

    So recently, I took in my 86 SC for an emissions test, and it failed. The guy running the test said it was running rich, and I had been smelling fuel intermittently before.

    2500 rpm ...
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