A heated air intake system is usually necessary for proper ...

[lbcchick]

A heated air intake system is usually necessary for proper cold-engine driveability on ________.
 
  A) Both a port injected and throttle body injected engine
  B) Any fuel injected engine
  C) Throttle body fuel injection systems
  D) Port fuel injection systems

Question 2

The intake manifold of a port fuel-injected engine ________.
 
  A) Contains only air
  B) Contains a leaner air-fuel mixture than does the intake manifold of a TBI system
  C) Contains only fuel (gasoline)
  D) Uses a dual heat riser

[Madisongo23]

Answer to Question 1

C

Answer to Question 2

A