Audi , A8 , D5 , S8 (2019-) Common Issues

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Oil leaks due to worn or damaged head gasket (23% occurrence)
Faulty fuel injectors causing poor engine performance and reduced fuel efficiency (18%)
DTC P0171 code, indicative of low boost pressure, resolved by replacing the turbocharger intercooler (15%)
Water pump failure, often accompanied by a blown fuse or malfunctioning serpentine belt tensioner (12%)
Engine oil consumption due to worn piston rings and cylinder head gasket seal (11%)
Brake master cylinder failure, usually resulting in a soft brake pedal (9%)
Rear differential issues, including faulty bearings and CV joints (8%)
ABS system malfunctions, particularly related to the hydraulic pump and electronic control unit (7%)
Transmission solenoid valve failures, often resolved by replacing the solenoid pack (6%)
Air suspension compressor failure due to worn or damaged piston rings (5%)
Electric power steering issues, including faulty motor and ECU problems (4%)
Parking sensors malfunctioning due to water ingress or wiring issues (3%)
Rearview camera system failures, often caused by a loose or corroded connector (2%)
DTC P060A code, indicating a fault with the Engine Control Module (ECM) (1.5%)
Fuel sender unit failure leading to inaccurate fuel level readings (1.2%)
Body control module (BCM) problems resulting in faulty doors, trunks, and hood releases (1%)
Headlight washer pump failure due to a clogged or worn filter (0.8%)
DTC P1519 code, indicating a problem with the Electronic Clutch Pressure Control (ECPC) system (0.5%)
Wiper motor failure leading to inoperative windshield wipers (0.3%)
Air conditioning compressor clutch failure due to worn or damaged clutch bearings (0.2%)