S350 cdi 2011 seems to be misfiring loss in power low rpm.

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stal108

New Member
Joined
Jun 24, 2020
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1
Location
Worcester UK
Car
S 350 CDI BLUEEFFICENCY
Hi all. I have a s350 cdi. 70K on it, Just had a B service and had box oil changed while there. Even before it went in it has a misfire at low throttle, Seems to hold back and stutter, If you give it half or full throttle its ok. But light Throttle its just not right. Very noticeable as the car sort of stutters holds back surges so to speak. I am quite engineering savy,, just putting a Cummins 6bt in a Land Rover at the mo. But this electronic thing is not my seen. So im sure its engine related. No miss when sat still revs clean and quiet. I did hope a service would sort it but alas no. No lights on or faults showing. Do hey suffer from crank sensor or things like that? im lost so any help would be great. Thanks Dave
 

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