Audi A5 owners have reported 1 problem related to catalytic convertor (under the engine and engine cooling category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Audi A5 based on all problems reported for the A5.
The contact owns a 2010 Audi A5. The contact stated while driving 30 mph, the check engine warning light illuminated. The vehicle was taken to the dealer and the contact was informed that the failure could be related to the catalytic converter, but a diagnostic test was not performed. The vehicle was diagnosed by an independent mechanic that the catalytic converter needed to be replaced, but the vehicle was not repaired. The contact stated that her son inspected the vehicle and discovered that all the fluids were low. The fluids were topped off to the proper level. The warning light disappeared; however, the check engine warning light was illuminated a month later. The contact stated that her son completed a diagnostic test and retrieved a fault code for a defective catalytic converter. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 98,960.
See
all problems of the 2010 Audi A5
🔎.