ASE G1 Maintenance & Lt. Repair #2 Comprehensive Questions (Frequently Most Tested) with Verified Answers

ASE G1 Maintenance & Lt.
Repair #2 Comprehensive
Questions (Frequently Most
Tested) with Verified Answers
A vehicle's air conditioner blows cold air while driving at normal speeds, but warm while sitting at stop
lights. The LEAST likely cause of this condition is:



A. An overheating engine.

B. A weak electric fan motor.

C. A frozen expansion valve.

D. Debris in the condenser fins. - Answer: Answer C is correct. This is a least likely type question. Once
the expansion valve freezes, the air conditioner would have poor performance at all speeds.



A technician runs a scan and receives a fault code indicating a problem in the MAF sensor circuit.
Technician A says this could be caused by a loose wire or an intermittent open. Technician B says this
could be caused by a faulty MAF sensor. Who is correct?



A. Technician A

B. Technician B

C. Both A and B

D. Neither A or B - Answer: Answer C is correct. Both technicians are correct.



A vehicle blows blue gray exhaust from its tailpipe only when first started in the morning. The MOST
likely cause of this condition is:



A. Worn piston rings.

B. A lean fuel condition.

C. A leaking fuel injector.