passat 02 1.9 tdi 130bhp?

your turbo has most likely got a mechanical fault causing it to overboost and its the ecu cutting it out to protect engine it usally stores a fault code its a common fault on vw\ audi you can get re con turbo from global auto parts 275 + vat but please get mechanic to test boost control system for any faults first

tim
April 2010

you need to scan the engine management for fault codes as it is going in to limp mode for safety

Steve
April 2010