The spark plug threads in the cylinder head should be cleaned ...

[cabate]

The spark plug threads in the cylinder head should be cleaned using a(n) ________ before installing new plugs.
 
  A) Tap B) Old toothbrush C) Thread chaser D) Wire brush

Question 2

Technician A says that in bypass mode, the ignition system is timed by the ignition module. Technician B says that in bypass mode, the ignition system does not use the PCM to time spark plug firing. Which technician is correct?
 
  A) Technician A only B) Technician B only
  C) Both technicians D) Neither technician

[Tabitha_2016]

Answer to Question 1

C

Answer to Question 2

C

[cabate]

Thanks for the timely response, appreciate it

[bassamabas]

Wow, this really help