Multiple Choice
Technician A says that poor fuel economy is usually due to an excessively lean air-fuel mixture. Technician B says that a rich air-fuel mixture can be caused by a defective oxygen sensor. Which technician is correct?
A) Technician A only
B) Technician B only
C) Both technicians A and B
D) Neither technician A nor B
Correct Answer:
Verified
Correct Answer:
Verified
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