MY350Z.COM - Nissan 350Z and 370Z Forum Discussion

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- Engine & Drivetrain (https://my350z.com/forum/engine-and-drivetrain-50/)

- - running rich on bank 1 (https://my350z.com/forum/engine-and-drivetrain/362617-running-rich-on-bank-1-a.html)

GWAPITO69

05-28-2008 09:59 PM

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.

bizcotch

05-28-2008 10:13 PM

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:)

gothchick

05-29-2008 05:33 AM

Might check the 02 sensor itself.

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