Technician A says that if the PCV valve were defective or ...

[mrsjacobs44]

Technician A says that if the PCV valve were defective or clogged, the engine could idle rough. Technician B says that the engine may stall. Which technician is correct?
 
  A) Technician A only B) Technician B only C) Both technicians D) Neither technician

Question 2

Technician A says that the EGR system helps to control nitrous oxide (N2O). Technician B says that all engines use an EGR valve to lower combustion temperature. Which technician is correct?
 
  A) Technician A only B) Technician B only C) Both technicians D) Neither technician

[Brenm]

Answer to Question 1

C

Answer to Question 2

D

[mrsjacobs44]

TYSM

[jackie]

Thanks for the timely response, appreciate it