Technician A says that a 3 x 5 card should be held against the oil fill opening if the PCV system is operating correctly. Technician B says that if a PCV valve rattles, it definitely is good. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
Question 2
Which component sends fresh air to the catalytic converter to help oxidize emissions?
A) PCV valve B) EGR valve
C) AIR pump D) Thermostatic air cleaner