Question about 2004 Volvo S60

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2004 volvo s 60 check engine light on

Hi you had mad a suggestion that i take my care to a auto parts store to see why my check engine light was on. I have the code. the guy said it was an o2 sensor? this is the code. p01-72 system too rich bank one??
any idea? thank you for your help

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I would replace the bad 02 sensor and also have the engine checked for a tune up and fuel injection purge. Make sure whoever does the repairs clears the ECM memory so the light will go out. Bad spark plugs and dirty fuel injectors can cause a rich condition that a weak 02 sensor can't keep up with.

Posted on Jan 08, 2009

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