OBD-II regulations require that the EGR system be tested. Technician A says that the PCM can monitor the commanded position of the EGR valve to determine if it is functioning correctly. Technician B says that the PCM can open the EGR valve and monitor for a change in the MAP sensor reading to detect if the system is functioning correctly. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
Question 2
Technician A says that oil pumps are always driven by the camshaft. Technician B says that oil pumps are always driven by the crankshaft. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
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