Technician A says that a defective TP sensor can cause the engine ...

[bobbie]

Technician A says that a defective TP sensor can cause the engine to hesitate during acceleration. Technician B says that dirty throttle plate(s) on a port-injected engine could cause hesitation during acceleration. Which technician is correct?
 
  A) Technician A only B) Technician B only C) Both technicians D) Neither technician

Question 2

Technician A says that excessive NOx exhaust emissions can be due to a defective PCV valve. Technician B says that a too lean air-fuel mixture can cause excessive NOx exhaust emissions. Which technician is correct?
 
  A) Technician A only B) Technician B only C) Both technicians D) Neither technician

[14vl19]

Answer to Question 1

C

Answer to Question 2

B

[bobbie]

Wow, this really help

[phuda]

Great answer, keep it coming