Cranking but not starting!

Nik Hollister

New Member
Oct 26, 2019
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Your Mercedes
Vito w639 109 cdi 2006
Hi all
This is just for information on the problem I had, The van would turnover and try to start but not start. After investigation and the replacement of crank sensor and fuel pump and injector reprogramming. Turns out the problem was linked to THE BLACK DEATH. Looks like carbon build-up had somehow weakened the crank sensor plug which had become loos. 10p tiewrap holding it secure problem fixed, I will say the van starts on the button and is going like a dream so the new parts have really seemed to have made a difference.
Hope this helps someone

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