2.0 tdi lumpy idle and smoking on warm up.

[Allyn78]

Hi here is some info on this problem. i have this problem on my car and sreached the internet for info, appantley when you have atiming belt replaced they pin the engine but the cam timing can be slightly out. i have found a company who say they can cyre this problem using VCD to adjustthe cam timing which should stop this problem.
The company is AVONTUNING in britsol.
Hope this info helps .

 

[vag-tech]

That cam timing should never be "slightly out" when renewing a belt. If it is slightly out it's not be done correctly.

 

[SDHA4SLine]

That cam timing should never be "slightly out" when renewing a belt. If it is slightly out it's not be done correctly.

This