rich exhaust

  1. retmotor

    High Idle after Warm; Smells Rich; Code 44

    Hi. I like to figure things out by myself as I go, however I have gotten myself into a bit of a time crunch, so I’m asking for help. (I've been lurking for a few weeks. I'll post an intro when I get my act together.) 1991 C3500 Pickup, 2x4, 454, dually. SYMPTOMS: High idle (1100+ RPM) after...
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