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running rich on bank 1

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running rich on bank 1

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Old

05-28-2008, 09:59 PM

#1

GWAPITO69

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running rich on bank 1

the service engine light came on a month after I did an oil change. So I went to autozone and rented the code reader it says P0127 running rich on bank 1... what causes this and do I need to take it to the stealership to get it service? thanks in advance. I searched the forum but couldn't find any answer.

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Old

05-28-2008, 10:13 PM

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bizcotch

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dirty injector, dirty MAF, fuel pressure, vacum leak... Clean the first two and check the last two. Clear the code and see if it comes back on

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05-29-2008, 05:33 AM

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gothchick

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Might check the 02 sensor itself.

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