2012 Audi A4 Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2012 Audi A4
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2012 Audi A4 ProblemsCheck Engine Light Due to Vacuum Leaks, Oxygen Sensor, or Catalytic Converter Fault
2012 Audi A4 QuestionsCar starts but will not engage (automatic). engine sounds rough. Exhaust poor em (1 answer)
Intermittent problem generally first thing in the morning. Engine is running rough and car shakes all over. Engine appears to be flooded. Black smoke and strong smell of unburnt fuel out of exhaust emmission. Switch engine off and restart seems t clear the problem. Could it be faulty ejectors/ign...