A sudden increase in TP voltage tells the PCM to _____ to prevent hesitation and stumbling during acceleration.
A)advance base ignition timing
B)retract the IAC valve pintle
C)momentarily enrich the mixture
D)open the EGR valve

Question

Quizplus · Accepted Answer

A sudden increase in throttle position (TP) voltage indicates rapid acceleration, prompting the Powertrain Control Module (PCM) to momentarily enrich the air-fuel mixture to prevent hesitation and stumbling.

A Sudden Increase in TP Voltage Tells the PCM to _____