Multiple Choice
Two technicians are discussing exhaust gas recirculation diagnostics. Technician A says that when diagnostic codes are set, the ECM will disable the EGR operation. Technician B says that significant differences between a sensed EGR control vacuum and a commanded vacuum signal will trigger diagnostic trouble codes. Who is right?
A) A only"
B) B only"
C) Both A and B
D) Neither A nor B"
Correct Answer:
Verified
Correct Answer:
Verified
Q34: Two technicians are describing high- and low-pressure
Q35: Technician A says that diesel engines use
Q36: Which of the following mechanisms does NOT
Q37: Which of the following is NOT a
Q38: The cooler bundle is attached to the
Q40: Two technicians are discussing exhaust gas recirculation
Q41: Technician A says that internal EGR systems
Q42: Combustion temperatures above approximately what value can
Q43: Technician A says that EGR systems lower
Q44: Which of the following environmental problems is