What do I need to replace to get rid of the underboost problem?
I have a 2007 Audi 2.00 TDI manual .The car goes in limp mode and it sounds like its loosing air.This error code was given by diagnostic machine:PO299-1/2 Turbocharger /Supercharger underboost .
PO299-2/2 Turbocharger/Supercharger underboost . The car runs fine when cancelling faults on diagnostic machine while driving .




