Question about 2006 Audi A4
Car try's to turn over but just won't fire, this is not all the time every other day, dpf light comes on then clears sometimes aswel. was told by aa low pressure diesel pump or bad diesel filter. Both changed still no good. Will fire up first time most times then suddenly turn over but don't fire up.
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Posted on Jan 02, 2017
SOURCE: 2005 Audi A4 Rough idel..
what kind of engine do you have? if it is the 2.o F.S.I your crank case breather valve can be acting up on you and will cause these concerns. If you have a 1.8t check the wire harness going to you coils look for cracks in your harness the ground wire if you see copper that is you problem will need to get ignition coil wire harness and cut and splice in new wire harness
Posted on Sep 03, 2009
they may have loosened the power steering pump to take off the belt and not put it back right. They may have overtightened the belt which has worn the bearings out on the steering pump and made it start leaking from the bearings...
Posted on Jan 24, 2010
Testimonial: "I have had 3 people tell me the same thing ! Must be right "
A6 2.0 TDI 1997
Got same problem around 35000Km. Engine light on with same error P0471. I was in France, Audi reset error and found nothing suspect. 4 weeks later same problem. (I felt engine was executing filter regeneration cycle very often). After 1 more week, Exhaust symbol came into large display and engine into safe mode (max 90Km/h). Contacted my Audi dealer in Belgium. They immediately told me pressure sensor (measures obstruction over DPF) was defective ; happens more often. Car was just beyond 2 Y old. Replaced under warranty. No more problems.
Posted on Aug 26, 2010
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