Which of the following could result in abnormally high manifold boost on an engine with a VGT turbocharger?
A) sticking VGT vane ring
B) retarded injection timing
C) plugged charge air cooler
D) restricted DPF

Question

Quizplus · Accepted Answer

A sticking VGT vane ring can cause the vanes to remain in a position that increases boost pressure, leading to abnormally high manifold boost.

Which of the Following Could Result in Abnormally High Manifold