Multiple Choice
Oxygen sensor monitors are being discussed. Technician A says the system monitors the sensor response time as the system cycles lean-rich-lean. Technician B says that at certain times the monitor varies the fuel delivery and checks for heated oxygen sensor response. Who is correct?
A) A only
B) B only
C) both A and B
D) neither A nor B
Correct Answer:

Verified
Correct Answer:
Verified
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