An engine misfire may develop from one or more cylinders resulting in a loss of power and illumination of the Check Engine Light. Our technicians tell us that ignition coil failure is a common cause for this concern. On high mileage vehicles it may be wise to consider replacing all of the ignition coils if one fails to try and avoid future misfire issues on another cylinder.
Resources for the Repair and Maintenance of your 2008 Audi A3 Quattro
2008 Audi A3 Quattro
2008 Audi A3 Quattro Problems
A lack of power may be noted and the Check Engine Light illuminated with various throttle system fault codes stored. Our technicians tell us this is generally caused by electrical connection issues at the throttle body. If this is the case a harness repair kit is available from Audi.
A no start condition may occur with a fuel pressure sensor fault code is stored in the powertrain control module (PCM). This problem is commonly caused by a faulty fuel pressure sensor which should be replaced.
2008 Audi A3 Quattro Recalls (Recent)
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Under extreme driving conditions, fuel can leak from the fuel tank vent valve. The internal spring may be too weak to hold the valve closed. Any fuel leak increases the risk of a fire. Dealers will replace the affected valve with an improved design. The recall is expected to begin by November 16, 2009. The Audi recall number is 20Q3/J3.