You may be right with this being the problem, I disconnected the maf and the car no longer goes crazy on idle, it does still rev a tiny bit and also the revs are slower to return to idle but assuming this is because the car does not how much air is going into the engine?
So guessing replace...
Just jacked the car up and the two boost pipes connecting to the intercooler were both not connected very well so have cleaned them up and reconnected and reset engine light so wait and see what happens tomorrow
The n80 valve has made a difference however the fault is still there and now has brought the engine management light in saying. System to lean bank 1
any ideas as getting stuck now
thanks Craig
Got back and have got the n80 valve, part no is 06E 906 517A
took 15mins to fit and was easy as it gets
time will tell if it has worked and I will update in a few days
Just been doing some googling and Broadsters solution has come up a few time with all the same symptoms and part is very cheap and easy to fit which I do like lol.
going to get one order and fitted and go from there
Thanks again
Don't think its MAF as this wouldn't cause a vacuum,
Thanks- will look into fuel flow valve
The car is a 2006 Audi A3 2.0t petrol 200bhp
thanks for responses
Hi All
Had the problem the other day I drove home from work and when I pulled onto my drive I let it idle a few mins like normal and the revs increased and went back down so I thought I might of twisted the mat or pressed the accelerator so moved mat out the way and it did it again and went...
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