You'd have to have inpa or something like that to check It out. Cause it wouldn't throw a code, but it'd be running rough. Post and pre cat sensors are different plugs so they don't get mismatched. But you can mismatch pre cat 1&2 sensors, you know what I mean?
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Originally Posted by dmax
If she ever yells 'oh god, oh god' just say, 'no, just Doug.'