Muffler delete equals Rich condition

Originally Posted by IDZRVIT Muffler delete and air intake filter delete won't cause this. Bad O2 sensor sounds more probable or some other problem causing the fuel management system to

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Muffler delete equals Rich condition

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07-24-2012, 07:01 PM

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cavemancan

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Quote:

Originally Posted by IDZRVIT

Muffler delete and air intake filter delete won't cause this. Bad O2 sensor sounds more probable or some other problem causing the fuel management system to dump more fuel through the injectors than is actually required.

Right but a bad O2 censor would throw a code correct? Which in turn would trigger the CEL. Since Nissan reflashed the ECU I doubt I have a phantom flash so I am at a loss.

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