ADVANCED VEHICLE TECHNOLOGIES
EXAM QUESTIONS AND ANSWERS:
ENGINES
In a double overhead cam engine, one camshaft operates the ________ while another operates the
________. - Answer-Intake valves; exhaust valves
What does the On-Board Diagnostic System do in the event of an emission-related malfunction that will
increase vehicle emissions into the atmosphere? - Answer-Illuminate the Service Engine Soon light
What is the advantage of a double overhead cam engine versus a single overhead cam engine? -
Answer-More precise control of valve operation for enhanced performance
What is the advantage of the Secondary Air Management System on the VR38DETT 3.8-liter DOHC V6
engine? - Answer-Brings catalytic converter up to operating temperature quickly to provide reduced
cold start emissions
What does the On-Board Diagnostic System monitor? - Answer-Emissions control
In a double overhead cam V6 engine, how many total camshafts are there? - Answer-4
EXAM QUESTIONS AND ANSWERS:
ENGINES
In a double overhead cam engine, one camshaft operates the ________ while another operates the
________. - Answer-Intake valves; exhaust valves
What does the On-Board Diagnostic System do in the event of an emission-related malfunction that will
increase vehicle emissions into the atmosphere? - Answer-Illuminate the Service Engine Soon light
What is the advantage of a double overhead cam engine versus a single overhead cam engine? -
Answer-More precise control of valve operation for enhanced performance
What is the advantage of the Secondary Air Management System on the VR38DETT 3.8-liter DOHC V6
engine? - Answer-Brings catalytic converter up to operating temperature quickly to provide reduced
cold start emissions
What does the On-Board Diagnostic System monitor? - Answer-Emissions control
In a double overhead cam V6 engine, how many total camshafts are there? - Answer-4