Audi A4 2009 Common Faults
2
Fault Reports
0
Solved
18
Model Years
🔧 Reported Faults
⚪
Audi TT RS 8J 2.5 TFSI Five-Cylinder Cam Follower
👁 8
⚪
Audi S4 B8 B9 3.0 TFSI Supercharger Belt Failure
👁 4
🚗 Drivers Also Viewed
Own a Audi A4?
Share your fault or fix and help other owners save money.
🔗 Explore More
More Audi Models
Browse all Audi fault data
Search Audi A4 Cases
Find faults by keyword or symptom
Report a Fault
Submit your Audi experience
Repair Guides
Step-by-step maintenance guides
Browse by Symptom
Diagnose by what the car is doing
Browse All Makes
Compare manufacturers by fault count
Top Reported Issue
Audi TT RS 8J 2.5 TFSI Five-Cylinder Cam Foll…