Some vibration at idle Audi A4 B8 2.0tdi 170bhp CAHA

Jev

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May 29, 2015
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Hi,
I am newbie on this forum. Much appreciated for any help.

I have some slight vibration at idle at around 800rpm to 1500rpm. Vibration comes time to time (not always) and it is not equable it is like coming in waves every second or two. Got Audi A4 B8 170bhp TDI CAHA.

DPF cleaned (regenerated) recently
EGR cleaned recently
MAF cleaned recently
CAM belt been changed 30k miles ago.
Tried to turn ON/OFF AC (no effect at all)
Nothing helps....

No error codes on diagnostics.

Planning to take injectors logs, maybe this helps.

Thanks