A scan tool can be used to test a MAP sensor by monitoring the injector pulse width (in milliseconds) when ________ is being applied to the MAP sensor.
A) ground
B) vacuum
C) air pressure
D) voltage

Question

Quizplus · Accepted Answer

Applying vacuum to the MAP (Manifold Absolute Pressure) sensor simulates engine load conditions, causing changes in the injector pulse width as the engine control unit adjusts fuel delivery based on the MAP sensor's signal.

A Scan Tool Can Be Used to Test a MAP