Worksheets8B Quiz 10
Total questions: 3
Worksheet time: 2mins
Name
Class
Date
1.
A vehicle has failed a no-load I/M test for high HC emissions, but HC emissions are acceptable at higher RPM. Technician A says that this can be caused by a fouled spark plug. Technician B says that this could be caused by low fuel pressure. Who is correct?
a)
Tech A
b)
Tech B
c)
Both
d)
Neither
2.
A cracked exhaust manifold will cause O2sensor readings to:
a)
Read low voltage
b)
Read high voltage
c)
Switch rapidly
d)
Be fixed at 450 mV
3.
An air injection system that constantly pumps air upstream will cause the O2sensors to:
a)
Read rich
b)
Create low voltage
c)
Create high voltage
d)
Fluctuate rapidly
100 %
