air conditioning not working


Asked by Simonmf Aug 11, 2014 at 11:03 AM about the 2008 Audi Q7

Question type: Maintenance & Repair

econ light will not go out and air con not working

2 Answers

Tom Demyan

When the econ light is on this means there is a pressure fault in the system. Either your car is low or has no pressure in the AC system. Might also be the high pressure sensor or compressor is faulty. An Audi dealership or local AC expert should be able to diagnose the fault quickly.


Thanks for your reply. It's been to a main dealer service centre and after their dianistic checks they said it was the pressure sensor which was fixed at a cost of £215. Problem still there and now they say there's a small leak in the front left pipe under wheelarch - another £600. I now don't trust them and not sure if their diagnostic check looked at the compressor or if there was a fault with the pressure sensor in the first place

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