Q7 MK 1 Discussion - 2010 Q7 3.0 tdi won't crank !! - Good day Forum, I have a 2010 3.0 tdi Q7 that seems to need an exorcism!! Was working fine, then suddenly one day as I started it up to reverse out my garage, the engine just shuts offI applied the foot brake, put it in P.but for hell the engine won't Checked the not so obvious coolant temperature sensor because it was been reported to be the problem with some Audi Q7 3.0 TDI engine troubles in another forum. It did not helped either. The engine still wont start, it cranks but then nothing. There is also white fumes coming from the air filter when you crank and it wont start. (Unburned diesel?)

Pittsburgh. My Photo Gallery: 0. you cavitated the fuel pump. use a screwdriver on the pressure relief inside the screw on cap on the fuel rail just enough to let a bit of air out. should take a few seconds. then screw the cap back on. turn on the key, wait 10 seconds and turn key off (without starting or cranking engine). leave the key off for

HIa29.
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    • audi q7 cranking but not starting