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      11-29-2012, 03:10 PM   #10
Jeff@TopGearSolutions
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Drives: C6 Z06, 09 335i, 10 335xi
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Location: www.TopGearSolutions.com

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Quote:
Originally Posted by sickem View Post
I had these exact codes. Replaced the primary oxygen sensors a few wks ago but im still getting the fuel mixture codes even now. Does it even on stock tune. With procede aggressive maps I'm maxing out fuel trims even on pump gas.
Hmm, that makes me think it's an injector problem then. I would expect some more injector related codes though.

Where is James, the resident troubleshooting expert?

Quote:
Originally Posted by sickem View Post
I had these exact codes. Replaced the primary oxygen sensors a few wks ago but im still getting the fuel mixture codes even now. Does it even on stock tune. With procede aggressive maps I'm maxing out fuel trims even on pump gas.
Quote:
Originally Posted by aflyrice View Post
that's what im thinking too. but i'm new to this so just looking for some experience minds out there. would both pre cat sensors need replacement or just one.
According to the Codes bank(converter) 2, which would be the rear turbo o2 sensor if I recall correctly.
Appreciate 0