Technician A says that a MAF sensor actually measures the density and amount of air flowing into the engine, which results in accurate engine control. Technician B says that a hot wire MAF sensor uses the electronics in the sensor itself to heat a wire 70°C above the temperature of the air entering the engine. Which technician is correct?
A) Technician A only
B) Technician B only
C) Both technicians A and B
D) Neither technician A nor B

Question

Quizplus · Accepted Answer

Both technicians A and B are correct. MAF sensor measures the density and amount of air flowing into the engine and a hot wire MAF sensor heats a wire above the temperature of the air entering the engine.

Technician a Says That a MAF Sensor Actually Measures the Density