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1999 Audi A6 Quattro Question: I have a few fault codes I would some help on, Thank you for your time.

 

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galaxyreflex, 2.8L V6, Harrisburg, PA, March 04, 2012, 10:39
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 Enthusiast

P0432 Main Catalyst Efficiency Below Threshold (Bank 2)
P0422 Main Catalyst Efficiency Below Threshold (Bank 1)
P0411 Secondary Air Injector Incorrect Flow
Do I need to change my catalytic converters or 02 sensors?

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  • Answer #1

    patrick mannion from Greg Solow's Engine Room, March 04, 2012, 10:44
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     Master

    The cats may not neutralize emissions unless the secondary air is working correctly supplying oxygen to act as a catalyst. Fix the secondary air issue first, then erase the codes and see what returns. There is a company that independent auto repair shops get their information from, this same information is available inexpensively for people that work on their own cars.. The information is year make and model specific, covering repair procedures, torque specifications, fluid capacities and specifications, service bulletins, component locations, wiring diagrams ect.... Alldata is very easy to navigate http://bit.ly/AllData_Repair_Manuals_Online

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