1998 Audi A6 98Adui A6 Won't Start

1998 AUDI A6
91,500 MILES • 6 CYL • AWD • AUTOMATIC
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CHICO23
  • MEMBER
  • 39 POSTS
MY ADUI HAS THE FOLLOWING CODES P0303 AND P0305 WHICH MEANS THE 3RD AND 5TH CYLINDER ARE MISFIRING WHAT COULD I DID TO CLEAR THIS CODE. ALSO IT HAS THIS ONE P0140 WHICH IS OXYGEN SENSOR NO ACTIVITY MEAN IS IT THE ONE AFTER THE CONVERTER AND DO I HAVE TO CHANGE IT I WILL BE THANKFUL FOR YOUR HELP
Sep 9, 2008 at 8:54 PM
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KHLOW2008
  • CAR REPAIR CONTRIBUTOR
  • 41,814 POSTS
Hi chico23,

P0140 is Bank 1 sensor = BEFORE the catalytic converter.

If it is not woking, it can cause the other codes. Replacing it should solve the other problems.

You need special scan tools to erase the codes.
Sep 17, 2008 at 7:25 AM
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