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2002 Audi A6 Quattro 2.7L MIL Lamp on
Posted to European Driveability on 10/9/2012 7 Replies

I check for vacuum leak or loose hose; the only thing I found leak was the hose splitting from the secondary air injection going to the right combi-valve had a crack and both combi-valve leak. These three thing I will be replacing, but would you guys suggest a...

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  Related Documents & Media  2002 Audi A6 Quattro

 
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car Vehicle Data

2002 Audi A6 Quattro

VIN WAULD64B52
Engine2.7 L / 6 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On

Trouble Codes

P0491AIR System Performance
P0492secondary air injection system insufficient flow B2
Message Closed

car Vehicle Data

2002 Audi A6 Quattro

VIN WAULD64B52
Engine2.7 L / 6 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On

Trouble Codes

P0491AIR System Performance
P0492secondary air injection system insufficient flow B2