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1998 Audi A6 98Adui A6 Won't Start

Tiny
CHICO23
  • MEMBER
  • 1998 AUDI A6
  • 6 CYL
  • AWD
  • AUTOMATIC
  • 91,500 MILES
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
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Tuesday, September 9th, 2008 AT 8:54 PM

1 Reply

Tiny
KHLOW2008
  • MECHANIC
  • 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.
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Wednesday, September 17th, 2008 AT 7:25 AM

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