Quote:
Originally Posted by TorqueAndBavaria
Sounds like you are having some sensor issues to me. Pull codes and that should give some insight on where to start. A can of MAF cleaner is cheap...start by cleaning the MAF and MAP sensors ands then move to checking for boost leaks and loss of metered air. Those two things are easy and cheap to start with if you have your own tools!1
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i went and changed the PCV valve, found a tiny amount of oil around turbo intake , cleaned it , after new PCV , the engine was smooth the vibration reduced 80% on 2k rpm. but after some time of running may be around 1k miles it returned back , i even changed the lower arm and front tension strut for more suspension related to issues, but i can see a little bit difference after the pcv value change and a lower arm change, the vibration reduced to 50%. i suspect it could be vanos or somehow the oil is going into the intake.