ADT Powertrain & Engine Management Systems

Question 1

What component measures the amount of air entering the engine?

Accepted Answer

Mass air flow sensor

Answer

Throttle position sensor

Answer

Oxygen sensor

Answer

Coolant temperature sensor

Question 2

What is the role of the ECU in engine management?

Accepted Answer

Manages engine and fuel systems

Answer

Controls tire pressure

Answer

Regulates power windows

Answer

Adjusts steering angles

Question 3

What does the catalytic converter do?

Accepted Answer

Reduces harmful exhaust emissions

Answer

Increases engine torque

Answer

Improves fuel mileage

Answer

Cools engine oil

Question 4

Why is a knock sensor important in engine management?

Accepted Answer

Detects engine knocking

Answer

Monitors fuel pressure

Answer

Controls radiator fan

Answer

Adjusts throttle response

Question 5

What is the purpose of the lambda (oxygen) sensor?

Accepted Answer

Monitors air-fuel ratio in exhaust

Answer

Regulates coolant flow

Answer

Measures crankshaft speed

Answer

Activates turbocharger

Question 6

What does the turbocharger do in a modern Audi engine?

Accepted Answer

Boosts engine power by compressing intake air

Answer

Reduces fuel pressure

Answer

Increases exhaust gas temperature

Answer

Lowers ignition timing