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320cdi v6 poor starting/cutting out

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Old May 28, 2015 | 11:02 AM
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BarryOliver's Avatar
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S Class w221
320cdi v6 poor starting/cutting out

Hi Guys,
My 2007 s320 cdi has developed a poor starting problem. Car starts better when cold but otherwise cuts out just after starting but will start on the second attempt. Had a crankshaft sensor fitted but made no difference. Been into Merc and other specialists nothing showing in diagnostic. Stealership recommended replacing everything to do with fuel system but i would need to sell house first. They just. Charged 288gbp to replace crankshaft sensor. Any ideas please.
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Old Nov 9, 2024 | 10:07 PM
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Have same issue

Hi did you ever find out what was the cause thank you
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Old Nov 13, 2024 | 01:31 PM
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Originally Posted by CREEDER
Hi did you ever find out what was the cause thank you
OP says crankshaft was not the fix for him ... (this usually dies when hot).

Read your fuel pressure.
What engine model is it?
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