OBD codes for running lean

Originally Posted by SouthArk370Z Those are post-cat codes. IIRC, post-cat O2 sensors are not used for engine management - they are to check operation of cats. Shouldn't cause any problems

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OBD codes for running lean

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05-04-2017, 07:36 AM

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DeliriousClam

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Quote:

Originally Posted by SouthArk370Z

Those are post-cat codes. IIRC, post-cat O2 sensors are not used for engine management - they are to check operation of cats. Shouldn't cause any problems as long as the pre-cat sensors are working properly - unless you need to pass an emissions test.

I need to pass an emissions test. No idea what to do. Any way to trick it?

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Last edited by DeliriousClam; 05-04-2017 at 07:41 AM.

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