02 sensor check engine light

02 sensor check engine light

Posted in the Audi A4 Forum


Chico, CA

#1 Mar 2, 2011
i replaced all 4 02 sensors in my 1999 audi a4.i still have codes p1196,p1197,p1198 and p1199.how do i fix these codes.all my fuses are good in my fuse box.and i had a professional shop put in my o2 sensors.so im almost positive they were done right.please help.

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