When battery voltage drops below a specified value, the PCM:
A) increases ignition dwell to compensate for a weakened ignition spark
B) enters open-loop operation
C) enriches the air-fuel mixture
D) Both A and C

Question

Quizplus · Accepted Answer

When battery voltage drops below a specified value, the Powertrain Control Module (PCM) can increase ignition dwell to compensate for a weakened ignition spark and enrich the air-fuel mixture to ensure proper combustion under these conditions.

When Battery Voltage Drops Below a Specified Value, the PCM