270 CDi rough idle and surging when selecting D

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phil350

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Jun 1, 2006
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Engine very rough at idle and rather than moving slowley when selecting D surges or judders. Fine when revs increased and driving normally.
Tries Wynns injector cleaner which did reduce the surginging for about a week - can anyone offer advice ? mileage is 55K
Bought this 4 months ago with 39K replacing an Audi A4 with 230K which during my ownership required no additional work to reccommended servicing. this MB has already had a new fan and cotrol unit and in addition to the above has a rattle at low speeds from the front.Used a bar at the weekend and theres seems to me movement in the offside drop link. Do these need to be repalced in pairs ?
 
Could be a duff injector. You need a spray and leakdown test performed.
 

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