My 2002 1.8T was chipped by Revo, however, everytime after driving for a while, the ECU locked theturbo boost at 0.4-0.5 bar, no CEL, andafter restart become normal again and so on. I have check there is no leak onvaccum lines and the MAF and O2 senorsare replaced recently but VAG always show my catalyticwas failed or incompeled.Is ther anyone can help?

thanks

 

id have the place that chipped it check to make sure your file isnt bad or something