Final answer:Hot wire MAF sensors employ burn-off circuits to clean the sensor wire, ensuring accurate measurements by burning off any contaminants or debris after the engine is turned off.Explanation:The type of sensors that employ a burn-off circuit to clean or maintain the sensor element are Hot wire MAF (Mass Air Flow) sensors. A MAF sensor measures the volume and density of air entering the engine, providing this critical information to the engine control unit (ECU) for optimal operation. The Hot wire MAF sensor, in particular, uses a wire (typically platinum) heated to a temperature higher than that of the incoming air. The flow of air cools the wire, affecting its resistance, which is translated into airflow measurements by the sensor's circuitry. To prevent contamination and ensure accuracy, a burn-off circuit is activated after the engine is turned off, heating the wire to a high temperature to burn off any debris or contaminants.Therefore, the correct answer is B. Hot wire MAF sensor. While hot film MAF sensors might seem similar, they do not typically use a burn-off circuit in the same manner that hot wire MAF sensors do. Vane type airflow sensors, on the other hand, operate on an entirely different mechanical principle and do not use a burn-off circuit because they do not have an electrical wire that requires cleaning....

Unlock to view answer

Unlock full access for 72 hours, watch your grades skyrocket.

For just $0.99 cents, get access to the powerful quizwhiz chrome extension that automatically solves your homework using AI. Subscription renews at $5.99/week.