Exam 74: Mapbaro Sensors

Technician A says that a MAP sensor can be tested by visual inspection, using a digital meter, or a scan tool. Technician B says a light engine load results in low intake manifold vacuum and a high MAP sensor signal voltage. Who is right?

Which statement is FALSE?

The MAP sensor is used by the PCM to diagnose the ________ system.

A P0108 DTC is being discussed. Technician A says that a damaged or missing MAP sensor O-ring could be the cause. Technician B says the MAP sensor signal circuit shorted-to-ground could be the cause. Who is right?

Two technicians are discussing MAP sensors. Technician A says that the MAP sensor should be replaced if anything comes out of the sensor when the vacuum hose is removed from the sensor. Technician B says that the injector pulse width should increase when vacuum to the MAP sensor is increased. Who is right?

A P0106 DTC is being discussed. Technician A says a damaged or missing MAP sensor O-ring could be the cause. Technician B says a defective MAP sensor could be the cause. Who is right?