Active fuel management on GM vehicles was initially called ...

[kamilo84]

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

[Kdiggy]

Answer to Question 1

C

Answer to Question 2

D

[kamilo84]

TYSM

[bitingbit]

Thanks for the timely response, appreciate it