sometimes when the engine is just ticking over (i.e when waiting at traffic lights) the rpm increases to 1000 even when my foot is not on the pedal any ideas thank you
2007 Audi A4 2.0 tdi 170bhpThe booster pressure is not working. I have changed all the parts and the vacuum manifold flap but it's still not working. Any ideas why the air is not being sucked in when the engine is being revved?
2007 Audi A4 2.0 tdi 170bhpLast year the amber coil light came on occasionally and the car would lose considerable power. Eventually it would not start on one occasion and the garage said this is a problem with this model and changed an injector at a cost of 1000 eur...
2007 Audi A4 170 TDi s lineTell us about your A4 problem