Two technicians are discussing engine sensors. Technician A says that MAP sensors measure altitude. Technician B says MAF sensors measure exhaust flow. Who is correct?
A) A only
B) B only
C) Both A and B
D) Neither A nor B

Question

Quizplus · Accepted Answer

Both statements are incorrect. MAP (Manifold Absolute Pressure) sensors measure the pressure of the air entering the engine and MAF (Mass Airflow) sensors measure the mass of the air entering the engine. Neither sensor measures altitude or exhaust flow.

Two Technicians Are Discussing Engine Sensors