2011 Audi A4 Quattro Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2011 Audi A4 Quattro
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2011 Audi A4 Quattro ProblemsCheck Engine Light Due to Vacuum Leaks, Oxygen Sensor, or Catalytic Converter Fault
2011 Audi A4 Quattro Questionscheck engine light and epc come on starting, press the gas and goes off, no code (1 answer)
When I start my car (doesn't happen all the time) my check engine light and epc light pop on with car struggling to idle. If I hit the gas slightly they go off and everything is fine. I have taken it to dealership, my husband has hooked it up to code reader and it throws no codes! Not sure...