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International Automotive Technicians Network
Re: Rich O2 with positive trims
Posted to Technical Discussion Forum on 10/18/2015

What it all boils down to, is if there is a problem, and the PCM knows that there is a problem, its poor little pea-brain is likely to do just about anything.

Trying to figure out why a PCM did what it did can cost you way too much sleep. Find and repair the... Login to read more.