Audi Q5 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your Audi Q5

Audi Q5 Problems

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. 

Decreased Power and Fuel Economy from Carbon Buildup

The 2009-2016 Audi Q5 uses the 2.0TFSI or 3.2L FSI direct injection engines. These engines are subject to carbon buildup in the intake system which can cause power loss, OBD codes and a check engine light, and a rough idle. In normal engines, the engine is cleaned by the gasoline flowing through the injectors and into the intake system, however, the Q5 uses direct injection so gasoline does not flow through common carbon buildup areas. 

Possible trouble codes include: P0300P0301P0302P0303P0304, P0305, P0306.

The solution is to remove the intake manifold and professionally clean the intake manifold, intake ports on the cylinder head, and the intake valves. This may need to be done in as few as 20,000 miles. 

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Audi Q5 Questions

how to change front and back rotor and brake pads on a 2009 audi q5 quatro (1 answer)

I have a leaky headlight - moisture in doesn't get out - can I seal with silicon (1 answer)

The headlight lamp is not working all the time. I want to remove - dry out - use silicone to seal the seams - replace the bulb and go from there.....or do I need to replace whole thing

replacing q5 battery (1 answer)

When replacing the battery of an Audi q5, should anything be reprgrammed and if so how?

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Audi Q5 Recalls

Fuel Pump Flange Cracks And Leaks Fuel

The fuel pump may crack at the flange resulting in a fuel leak. Dealers will clean the fuel pump flange and install a butyl rubber band to protect the pump free of charge to resolve the concern.

Driver's Frontal Air Bag Inflator Ruptures And Sprays Metal Fragments

The driver's frontal air bag inflator may deploy the air bag with excessive pressure, resulting in the inflator rupturing and causing metal debris to be sprayed onto vehicle occupants. Dealers will replace the driver's frontal air bag inflator free of charge to resolve the concern.

Driver And Front Seat Passenger Seat Mounted Air Bag Inflators Rupture

The driver's and passenger front seat mounted air bags have inflators that may rupture when deploying the air bags during an accident. Dealers will replace the side air bag modules free of charge to resolve the concern.

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