Also if it was immobiliser problem you would get immobiliser light on dash and and there would be fault code stored in ECU saying engine start blocked by immobiliser or something like that. An you would be able to start engine if you do it straight after switching ignition on and it would run for 1-2 sec. Dodgy camshaft position sensor would also show in fault codes, crank sensor on the other hand often does not show a fault code.
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Currently 8less
2011 Q7 S Line 3.0TDI, 2016 Tesla Model S 90D
8 history:
2006 A8 Sport 4.2TDI quattro SOLD,
1997 S8, reached end of life with gearbox failure
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