2006 Audi TT Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2006 Audi TT
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2006 Audi TT ProblemsFlasher Relay Failure Can Cause Erratic Turn Signal Operation
Check Engine Light Due to Vacuum Leaks, Oxygen Sensor, or Catalytic Converter Fault
Erratic turn signal operation can be a result of a failing turn signal flasher relay which will require replacement.