Author Question: Technician A says that a MAF sensor is a high-authority sensor and is responsible for determining ... (Read 156 times)

809779 · **on:** Jun 22, 2018

Technician A says that a MAF sensor is a high-authority sensor and is responsible for determining the fuel needs of the engine based on the measured amount of air entering the engine. Technician B says that a cold wire MAF sensor uses the electronics in the sensor itself to heat a wire 20C below the temperature of the air entering the engine. Which technician is correct?

A) Technician A only B) Technician B only C) Both technicians D) Neither technician

Question 2

Technician A says that during a power balance test, the cylinder that causes the biggest RPM drop is the weak cylinder. Technician B says that if one spark plug wire is grounded out and the engine speed does not drop, a weak or dead cylinder is indicated. Which technician is correct?

A) Technician A only B) Technician B only C) Both technicians D) Neither technician