You can tell if your turbo isn't working by noticing a significant drop in engine power and acceleration, especially at higher RPMs. Additionally, you might hear unusual noises like whistling or grinding from the engine bay, and you may see a decrease in fuel efficiency. Check for warning lights on the dashboard, as well as any visible signs of oil leaks or damage around the turbocharger. Finally, perform a boost pressure test to confirm if the turbo is generating the expected boost levels.
if the turbo isn't working its blown. dummy.
You measure the wheel size of the turbo. fr example you will get 50mm and this will tell you how big the actual turbo is. you cant really tell by the trim
either have the turbo unit rebuilt, or buy a new one.
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VG30DETT is Twin Turbo VG30DE Non turbo
buy a new turbo and replace it
Not if the engine is running. The turbo is powered by exhaust gasses.
generally if you turbo isn't working then you should feel the engine give a different note and respond differently at low revs
tsi is for turbo I belive. Mine is a non turbo esi.
if turbo is ok you should be able to hear a sound *like a whistle just above 2000 rpm .....
The working principle of a turbo generator is that of forcing extremely hot condensed air into the piston chamber. The hot condensed air reduces the need for fuel.
You can tell if a turbo is bad when you have screeching sounds from the engine severe loss of power the truck doesnt want to move much or doesnt get up to speed like it should also you can tell by looking at the turbo it self if the fan is wared out then its a bad turbo