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#1: 09-20-2012, 05:59 PM
reading p031 and p037 at the same time.
 
 jeremy3957
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Title: Junior Member
Location: new hampshire
Car: stage 2 05 5eat legacy gt
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My car is stage 2 cobb tuned. Aftermarket unequal length header, catted downpipe, catless upipe, cobb sf intake, and magnaflow catback. Okay so here's the problem i decided to disconnect my mid pipe from my downpipe to here it straight piped. Did for a day and a half then put it back together and now it reads the p031 and p037 which i know is both 02 sensors. The upstream one is new and the downstream one is not but car runs fine and no loss of power. Checked all the o2 sensor wires and plugs and no leaks. Tried resetting it multiple times and the light just wont shut off. Also tried cleaning the sensors. Confused and not sure how to fix it?
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