2009 Audi Q7 Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2009 Audi Q7
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2009 Audi Q7 ProblemsCheck 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.
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.
A brake pedal pulsation may develop, most commonly the front brakes are at fault. Just to be sure, our technicians recommend that both front and rear rotors be inspected. Brake pads and rotors should be replaced as necessary to correct this issue.
2009 Audi Q7 QuestionsMy emission light came on, i havent drove it in 2 days was fine last ride. (1 answer)
light came opn first 5minutes of ride. then i noticed gas door was open but cap closed.