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A3 Quattro

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Rear door not locking
Hello. Most of the time the door lock actuator is the cause of this problem. You may also have a problem with the rods that come from the door lock actuator to your door lock. To fix this issue the...
Question
Audi A3 Quattro Misfires while idling
Hello. If the misfire is only on that cylinder, then it may have a bad spark plug or ignition coil. The coils are a common failure on this vehicle. If the misfire is on multiple cylinders, then the issue...
Question
Gears freezing up stiff on 2005 Audi A3 Quattro
Hello. Most of the time this is caused by a failing clutch or the hydraulic system that may be failing. I usually start by checking the transmission fluid first. If the fluid is old or burnt and broken down, then...
Question
EPC light, PCV leak and loss of power for 2009 Audi A3 Quattro
Hello. It is common for the PCV valve to fail on this engine, and some of the time, it will cause the rear main to leak also. As for the power control, this means that there is an electrical issue....
Question
Soft Top Not Secure
Hello. As long as the top is actually secure, it will be safe to drive. This can occur when the contact sensors are not working correctly or are failing. I usually use a computer scan tool to monitor these sensors...
Question
Whining noise 40 mph on 2007 Audi A3 Quattro
Hello. Most of the time, this is caused by a failure in the transmission. It may be as simple as a low or contaminated fluid. I usually check the fluid and change it if it is bad. If the fluid...
Question
Why is my car not starting ?
Hi there. You are correct, parts are expensive, and replacing components without diagnoses can be time consuming without resolution. Circuit tests need to be performed at the ignition coil(s) to determine whether there is power supplied and a signal for...

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