Technician A says to check the operation of the throttle valve boost, you do not need to disconnect the vacuum hose on a vacuum modulator and attach a vacuum pump to vary the line pressure. Technician B says to check the operation of the throttle valve boost, you need to connect a pressure gauge to the transmission line pressure test port. Who is correct?
A) Technician A
B) Technician B
C) Both A and B
D) Neither A nor B

Question

Quizplus · Accepted Answer

Technician B is correct because checking the operation of the throttle valve boost involves connecting a pressure gauge to the transmission line pressure test port to measure the line pressure changes. Technician A's method is not related to checking throttle valve boost.

Technician a Says to Check the Operation of the Throttle