
2008 Audi Q7 Premium 4.2L MIL Lamp on
Vehicle came in with codes described above, first thing I did was check power and ground to pump and found the pump was faulty. (Disconnected hose from pump and water came out) After a couple of test drives, the codes came back. Verified vacuum to both solenoi...
FIX posted 5/9/2016
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Message Closed w/FIX
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VIN | WA1BV74L88 |
Engine | 4.2 L / 8 cyl / GAS |
Trans | 6-speed Automatic (Electronic) |
Delivery | Fuel Injection / FSI Direct injection |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | After a Hot Soak |
Trouble Codes
P0491 | AIR System Performance |
P0492 |
Message Closed w/FIX
Vehicle Data
2008 Audi Q7 Premium
VIN | WA1BV74L88 |
Engine | 4.2 L / 8 cyl / GAS |
Trans | 6-speed Automatic (Electronic) |
Delivery | Fuel Injection / FSI Direct injection |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | After a Hot Soak |
Trouble Codes
P0491 | AIR System Performance |
P0492 |