Audi, A6, C5, 1.8 5v (1997-) Common Issues
1. Faulty Oxygen Sensor
Occurrence: 15%Cost to repair: $300Symptoms:
Rough idle, poor fuel efficiency, and decreased engine performance.
2. Camshaft Position Sensor Failure
Occurrence: 12%Cost to repair: $600Symptoms:
Engine stalling, misfires, and reduced power output.
3. Faulty Mass Airflow Sensor (MAF)
Occurrence: 10%Cost to repair: $400Symptoms:
Rough idle, decreased engine performance, and poor fuel efficiency.
4. Crankshaft Position Sensor Issue
Occurrence: 9%Cost to repair: $450Symptoms:
Engine stalling, misfires, and reduced power output.
5. Faulty Fuel Pressure Regulator (FPR)
Occurrence: 8%Cost to repair: $550Symptoms:
Poor engine performance, decreased fuel efficiency, and potential for engine damage.
6. Ignition Coil Failure
Occurrence: 7%Cost to repair: $250Symptoms:
Engine misfires, rough idle, and reduced power output.
7. Faulty Spark Plug Wire Set
Occurrence: 6%Cost to repair: $200Symptoms:
Engine misfires, rough idle, and decreased engine performance.
8. Catalytic Converter Failure
Occurrence: 5%Cost to repair: $1000Symptoms:
Reduced power output, poor fuel efficiency, and potential for engine damage.
9. Faulty Throttle Position Sensor (TPS)
Occurrence: 4%Cost to repair: $350Symptoms:
Rough idle, decreased engine performance, and potential for engine damage.
10. Faulty Idle Air Control Valve
Occurrence: 3%Cost to repair: $420Symptoms:
Rough idle, poor engine performance, and decreased fuel efficiency.
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