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E53 3.0d Failed to start

Posted: Tue Feb 28, 2017 8:23 am
by Alan Gunn
I accidentally left the ignition on for around half an hour while changing vacuum pipes.
When i realised what i had done i thought i would run the car.
It would crank over and over but not start.
A neighbour appeared with a tin of sniff ans a quick spray later it was running.
It fired up and ran perfect took it for a run no problems at all turned off and then restarted no problem.
Ran a scan with my c310 and no new faults just the one i know about (rail pressure when starting down to an injector but never stopped it starting before).
Any ideas on why this happened.