Author Question: Active fuel management on GM vehicles was initially called ________. A) Variable cylinder ... (Read 61 times)

kamilo84 · **on:** Jun 23, 2018

Active fuel management on GM vehicles was initially called ________.

A) Variable cylinder operation B) Fuel economy enhancement
C) Displacement on Demand D) None of these

Question 2

Technician A says a low but steady idle vacuum reading indicates a sticking valve. Technician B says a fluctuating vacuum gauge reading indicates incorrect ignition timing. Which technician is correct?

A) Technician A only B) Technician B only
C) Both Technicians A and B D) Neither Technician A nor B