W163 Engine jerking

davidmaqa

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Tbilisi, Georgia
#1
Hi Everyone, I have problem with my w163 ml320 engine is jerking and not work properly, i clean fuel injectors, throttle body, EGR valve, change ignition coils spark plugs and wires, and problem is still same. If someone can help me please. It is possible to exhaust system needs clean?
 

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