
Alfa Romeo, Giulietta Common Issues
1. Rear Main Seal Leak
Occurrence: 15%Cost to repair: $1200Symptoms:
Oil leak from the rear of the engine, increased oil consumption
2. Faulty Fuel Pump
Occurrence: 12%Cost to repair: $800Symptoms:
Difficulty starting or lack of power when accelerating
3. Faulty OBD II System
Occurrence: 11%Cost to repair: $600Symptoms:
Check engine light illuminated, various error codes stored in the ECU
4. CV Boot and Joint Wear
Occurrence: 10%Cost to repair: $500Symptoms:
Play or clunk from a wheel when driving over bumps
5. Faulty Mass Airflow Sensor (MAF)
Occurrence: 9%Cost to repair: $300Symptoms:
Check engine light illuminated, decreased power and performance
6. Worn Brake Pads
Occurrence: 8.5%Cost to repair: $400Symptoms:
Squealing or grinding noise from the brakes
7. Faulty Catalytic Converter (CAT)
Occurrence: 7%Cost to repair: $900Symptoms:
Rough idling, decreased power and performance
8. Faulty Oxygen Sensor
Occurrence: 6.5%Cost to repair: $250Symptoms:
Check engine light illuminated, rough idling
9. Timing Chain Tensioner Failure
Occurrence: 5%Cost to repair: $1000Symptoms:
Rattling or tapping noise from the timing cover
10. Faulty Air Conditioning Compressor
Occurrence: 4.5%Cost to repair: $700Symptoms:
Air conditioning not blowing cold air, increased engine temperature
11. Faulty Power Steering Pump
Occurrence: 4%Cost to repair: $450Symptoms:
Difficulty steering the car, whining or groaning noise
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