Worksheets8B Quiz 11
Total questions: 3
Worksheet time: 2mins
Name
Class
Date
1.
The scan tool will not communicate with the vehicle’s ECM, and the MIL will not illuminate during the bulb test. The most likely cause of this is:
a)
A bad diagnostic link connection (DLC)
b)
No power to the DLC
c)
A malfunctioning scan tool
d)
An open ECM ground
2.
Which of the following valves, if stuck open, would cause highest increase in CO emissions?
a)
EGR
b)
EVAP vent
c)
EVAP purge
d)
Diverter
3.
A vehicle arrives in the shop with a DTC P0401–EGR insufficient flow. All of the following could cause this EXCEPT:
a)
Aftermarket exhaust system
b)
Restricted catalytic converter
c)
Broken EGR valve vacuum hose
d)
Plugged EGR passages
100 %
