Computer-Controlled Ignition Timing Is Being Discussed

Computer-controlled ignition timing is being discussed. Technician A says when excessive wheel slippage occurs, the PCM will advance the timing to increase the torque output from the engine. Technician B says to provide smooth shifting of an automatic transmission, the PCM will temporarily retard the ignition timing to reduce the engine's torque when the transmission is beginning to change gears.

A) A only
B) B only
C) both A and B
D) neither A nor B

Correct Answer:

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