If you have a loud whistling noise coming from your 2.0t TSI engine you might have a bad PCV valve. A bad PCV can also cause Fault code 0171 System Too Lean, as well as others. Take a look HERE for more info on the TSI PCV issues 2.0T TSI Intake Manifold Runner Fault Codes 2.0 TSI Engine Serious Common Problems to Watch Out For on VW and Audi Motorcarnut 21.9K subscribers Subscribe Subscribed 194 26K views 2 years ago A faulty PCV (Positive Crankcase 2.0 TSI EA888 Engine Problems and Reliability. It may seem strange but all the main problems were inherited from the 1.8TSI EA888 engine without any changes in the worse or better direction. There are problems with stretched timing chain, high oil consumption, carbon deposit inside ports and on intake valves. zOww6P.

vw 2.0 tsi engine problems