Question about Chevrolet Impala

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I replaced the 02 sensor in my 04 impala, and have driven 400 miles, but it still wont pass state inspection because they said its still not reading or reset. wat is the problem?

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If this is the only code, then have the light erased with a scanner and see if this helps. any auto parts store will do this for free.

Posted on Sep 17, 2010

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Posted on Jan 02, 2017

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never replace parts till u know the issue--u cud end up on food stamps---------the code can be cleared by a scanner or removin batt cables fora moment------------there must be a problem with the 02 sensor--------catylitic converter-----------evap system or other air regs on engine----------get car to a mechanic with brains-not a dealership-that can test each one for air polluting

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You need to replace your O2 sensor, that should clear pretty fast-does it switch slowly (talking about the upstream O2 sensor)?

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