Author Question: A MAP sensor is being discussed. Technician A says that many MAP sensors act as a barometric ... (Read 92 times)

maegan_martin · **on:** Jun 23, 2018

A MAP sensor is being discussed. Technician A says that many MAP sensors act as a barometric pressure sensor when the ignition switch is turned off. Technician B says that on many MAP sensors the signal voltage should increase when the vacuum at the sensor decreases. Who is right?

A) Technician A only B) Technician B only
C) Both technicians A and B D) Neither technician A nor B

Question 2

Technician A says that pressure below atmospheric pressure is called vacuum and is measured in inches of mercury (Hg). Technician B says that a manifold absolute pressure (MAP) sensor uses a low vacuum in the sensor to determine the pressure. Who is right?

A) Technician A only B) Technician B only
C) Both technicians A and B D) Neither technician A nor B