Author Question: Which statement below is correct? A) Coil-on-plug systems use one ignition coil per cylinder. B) ... (Read 320 times)

Bob-Dole · **on:** Jun 22, 2018

Which statement below is correct?

A) Coil-on-plug systems use one ignition coil per cylinder.
B) Ignition control circuits cannot sense the voltage required to fire a spark plug.
C) All coil-on-plug systems require ignition wires.
D) It is not possible to control the ignition timing for each cylinder separately.

Question 2

All the following statements are correct EXCEPT ________

A) Knock sensors require voltage input from the PCM to function properly.
B) When the PCM detects detonation using the knock sensor, it will retard ignition timing.
C) When replacing a spark plug, consider reach, heat range, and seat type.
D) Ignition timing may be either ATDC, at TDC, or BTDC.