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2009 Audi Q7 Problems
Check Engine Light Due to Knock Sensor Fault
The Check Engine Light may illuminate with a knock sensor code stored. Our technicians tell us a revised knock sensor and bracket should be installed, along with heat shielding material to protect the new sensor, to correct this condition.
5 Reports
Uneven ride height due to faulty residual pressure holding valve
Uneven ride height and/or tilting of the vehicle may be caused by one or more stuck closed residual pressure holding valves. A service bulletin from Audi describes how to properly test these valves. Any valve failing this functional test should be replaced.
4 Reports