How To Check Turbo Actuator Is Working. If the wastegate is moving and opening. When boost pressure builds force it is applied to the pressure actuator and when the pressure exceeds the spring value the actuator.
1 Locate the Turbocharger and the Electronic Turbo Actuator 2 Monitor the arm of the Turbo Electonic Actuator as the vehicle engine starts. The arm should move freely to close the VNT mechanism 3 Gently rev the engine again whilst watching the Electronic Turbo Actuator arm linkage. If vgt goes to min duty cycle with abnormally high ebp and low map the vanes are likely sticking closed.
How Does a Turbo Actuator Work.
Which judging by your depiction would be the failure mode here. Turbo damage caused by working beyond its designed parameters or outside the vehicle manufacturers specification. Which judging by your depiction would be the failure mode here. This particular turbo uses oil pressure to hydraulically power an electronically-controlled external actuator.
