Multiple Choice
A downstream oxygen (O2) sensor is reading the same as the upstream O2 sensor. What does this indicate?
A) The downstream sensor is defective and must be replaced.
B) The converter has low efficiency.
C) The upstream sensor is not working properly.
D) The converter is working properly.
Correct Answer:
Verified
Correct Answer:
Verified
Q4: A modern Ford vehicle equipped with Fail-Safe
Q5: Which statement about intake manifold runner control
Q6: Crankshaft position (CKP) sensors are being discussed.
Q7: MAP sensors are being discussed. Technician A
Q8: The EGR system module (ESM) contains all
Q10: Beginning with the 2002 model year on
Q11: Technician A says the fuel injectors used
Q12: Which component of the returnless fuel system
Q13: Which sensor produces the tach reference signal
Q14: On the two-valve-per-cylinder engine, the CMP sensor