2005 Audi A4 Quattro Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2005 Audi A4 Quattro

2005 Audi A4 Quattro Problems

Check Engine Light Due to Vacuum Leaks, Oxygen Sensor, or Catalytic Converter Fault

Vacuum leaks, oxygen sensor failure, and catalytic converter efficiency faults can cause the Check Engine Light to illuminate.

Check Engine Light Due to Faulty Torque Converter

A problem with the torque converter can cause the Check Engine Light to illuminate.

Flasher Relay Failure Can Cause Erratic Turn Signal Operation

Erratic turn signal operation can be a result of a failing turn signal flasher relay which will require replacement.

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2005 Audi A4 Quattro Questions

Speedometer & Odometer (1 answer)

I got the car from auction. It did not indicate these issues. Odometer and speedometer does not work. Break lights are on after i got the rotar changed. ABS and Engine lights are all on? Other than all this the car runs fine

Please help

poor rev, rough idle, no whistle from turbo (1 answer)

My car used to change gear very quickly but i will like to know if a bad high pressure fuel pump can affect the transmission performance

How much for brake pad replacement? (1 answer)

Need brake pads replaced.

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