Audi, A6, C7, S6 (2014-2018) Common Issues
1. Oil Leaks
Occurrence: 12%Cost to repair: $800Symptoms:
Engine oil stains under the car, blue-green color
2. Faulty Sunroof
Occurrence: 9%Cost to repair: $1200Symptoms:
Sunroof won't close or open, water leaks inside the car
3. Transmission Issues
Occurrence: 15%Cost to repair: $2500Symptoms:
Unusual noises from the transmission, slipping gears
4. Engine Coolant Leaks
Occurrence: 8%Cost to repair: $600Symptoms:
Coolant leaks under the car, engine temperature gauge needle rises
5. Faulty SRS (Airbag) System
Occurrence: 6%Cost to repair: $1000Symptoms:
SRS light on dashboard, airbags won't deploy
6. Headlight Issues
Occurrence: 5%Cost to repair: $500Symptoms:
Flickering or dim headlamps, burned-out bulbs
7. Faulty Rear Differential
Occurrence: 4%Cost to repair: $1800Symptoms:
Clunking noises from the rear axle, vibrations while driving
8. Faulty Mass Airflow Sensor (MAF)
Occurrence: 3%Cost to repair: $400Symptoms:
Rough engine idle, reduced power and performance
9. Fuel Pressure Regulator Issues
Occurrence: 2%Cost to repair: $900Symptoms:
Poor fuel efficiency, stalling or hesitation while driving
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