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Old 09-15-2012, 08:35 AM   #33
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Join Date: Jan 2008
Location: TX
Posts: 2,897
My Ride: 01 325ci
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 View Post
If she ever yells 'oh god, oh god' just say, 'no, just Doug.'

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