2011 Audi TT Quattro Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2011 Audi TT Quattro

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2011 Audi TT Quattro Problems

Sway Bar Replacement to Correct Creaking Noise

A creaking type noise may be noted from the front suspension. Replacement of the  front sway bar may be required to correct this issue.

Engine Misfire Due to Failed Ignition Coil and/or Spark Plug

An ignition coil or spark plug may fail unexpectedly resulting in an engine misfire and possible illumination of the Check Engine Light.

No Start after Refueling and Popping Noise from Trunk

Popping sounds from the rear of the vehicle may be heard moments after starting the engine, or when slowing to a stop. This noise is from the leak detection pump filling the fuel tank with air, and releasing to retest the system when it finds a fault. The sequence of faults identifying this issue are as follows:

  • Succession of loud pops from rear of vehicle
  • Pops go away, and fuel economy decreases 
  • Check engine light illuminates
  • OBD trouble code P2404 and/or P0441 is stored
  • Engine will not start after refueling (must crank for over 30 seconds)
  • Vibration when slowing to a stop

The cause is a valve which is mounted on the front of the intake manifold, commonly called the N80 valve, or EVAP system purge valve. The valve is designed to open under specific circumstances, but a worn valve will remain open at all times, preventing the pressurization of the fuel tank. 

Correction of the issue is to replace the N80 valve with the latest revision. 

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2011 Audi TT Quattro Reviews

Rated
based on 1 customer reviews
2011 Audi TT Quattro Coupe: three times in 7000 miles I suffered through ignition coil failures. First time at 26000 miles, second at 31000, and third at 32000. Each was a different ignition coil, and all three were replaced under warranty. But, I was not told by the service rep at the Audi dealer that Audi recognized this as a continuing problem, until after the third failure. During the third...

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