Technician A says that poor fuel economy is usually due to an ...

[KimWrice]

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 D) Neither technician

Question 2

Proper care of shop equipment includes _________.
 
  A) Tuning up every six months B) Keeping equipment clean
  C) Keeping equipment lubricated D) Both B and C

[leeeep]

Answer to Question 1

B

Answer to Question 2

D

[KimWrice]

Thanks for the timely response, appreciate it

[Liamb2179]

Great answer, keep it coming