Audi A42022

Known issues

• DPF (Diesel Particulate Filter) clogging, especially on low-mileage or short-journey driving patterns, leading to warning lights and reduced performance
• AdBlue system faults and heater element failures, requiring costly replacement of the SCR module
• Timing chain stretch in some TDI units, causing rattling on cold starts and potential catastrophic failure if ignored
• Gearbox shudder on DSG models during low-speed manoeuvres and parking, sometimes requiring software updates or valve body replacement
• Water ingress into headlight assemblies causing electrical gremlins and condensation on lenses
• EGR valve carbon accumulation leading to loss of power and rough idle

Good for

• Motorway cruising with excellent fuel economy (40–50 mpg real-world at steady speeds)
• Refined, quiet cabin with premium feel and solid interior build
• Strong resale value and parts availability across Ireland and UK
• Smooth, responsive diesel engines with good torque delivery for overtaking