What Is Trouble Code P1131 on an Audi A6?

Answer

The trouble code P1131 on an Audi A6 indicates a problem with the front sensors. There is a problem with the O2 sensors. This means that you need to replace them.
Q&A Related to "What Is Trouble Code P1131 on an Audi A6"
bad sensor.
http://wiki.answers.com/Q/What_is_trouble_code_P11...
1. Inspect the vacuum hoses in your vehicle by tracing each hose with your hand, looking for holes, tears, loose or disconnected ends. A leaking vacuum hose can introduce too much
http://www.ehow.com/how_10025634_repair-diagnostic...
P1131 and P1151 are for the oxygen sensors. one in the exhaust at the firewall and one at the radiator off the manifold. When both go off though at the same time I would suspect a
http://www.fixya.com/cars/t7885359-p1131_p1151_cod...
Those 2 codes mean it's lean on bank 1. If it were the MAF it would have lean codes on both banks but it's always a good idea to clean it anyway. Check for a vacuum leak that would
http://answers.yahoo.com/question/index?qid=201002...
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