2005 Audi S4 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2005 Audi S4

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2005 Audi S4 Problems

Inspect CV Boots and Joints at Each Service

Our technicians recommend having the constant velocity (CV) boots and CV joints inspected at each service. Servicing torn CV boots early can prevent the need to replace the CV half shaft or CV joint.

Check Engine Light Due to Faulty Torque Converter

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

Check Engine Light and/or Engine Overheating Due to Failed Thermostat

The thermostat may erratically stick open or closed. The can result in illumination of the Check Engine Light and/or engine overheating.

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2005 Audi S4 Questions

2004 Audi S4 CEL too rich (1 answer)

My 2004 Audi S4 4.2L CEL came on this weekend the codes are p0174 and p0175 system to rich bank 1 and 2. Check air filter and it looks clean, could this be a Mass airflow sensor? What should be my plan of attach or simply just take it into the shop?


S4 timing chain (1 answer)

Repair costs

The MIL is on. Can I still drive my car? (1 answer)

The light remained on after starting the car. Nothing is obviously wrong that I can hear or feel. Is ok to drive locally until I can get it looked at after the holiday weekend or do I need to keep it parked?

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2005 Audi S4 Reviews

I had a 2005.5 Audi S4. I really enjoyed driving it until 104,000 miles when the timing chain tensioner went out and audi wanted to replace the engine for $18,000. It was our 4th audi. Never again. Will always drive american from here on out. Could not work with the dealer or Audi. The vehicle was well maintained and even the Audi tech said the motor was in great shape. I returned the audi back...

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