Quiz on Engine Management System

What is the brain of the electronic engine management system?

• Actuators

• Sensors

• Equators

• ECU

What is the correct air-fuel ratio required by an engine at idle?

• 12:1

• 10:1

• 14.7:1

• 16:1

Which component controls the engine idle speed in the electronic engine management system?

• ECU

• Idle Speed Control System

• Actuators

• Sensors

What does the ECM do when it detects a malfunction in the system?

• Increases fuel consumption

• Disables the sensors

• Illuminates the malfunction indicator lamp

• Shuts down the engine

What is the purpose of the idle speed control system in the engine management system?

• To decrease engine power

• To increase fuel consumption

• To maintain stable idle

• To disable the engine

Which sensor detects the engine coolant temperature in the electronic engine management system?

• Coolant Temperature Sensor

• Mass Airflow Sensor

• Manifold Absolute Pressure Sensor

• Production Sensor

What is the function of the electronic engine management system during high load conditions?

• Decrease fuel injection

• Increase engine power

• Reduce exhaust emission

• Disable the ignition system

What is the advantage of the electronic engine management system in terms of maintenance requirements?

• Requires frequent adjustments

• Relies on mechanical parts

• Reduces maintenance due to fewer mechanical parts

• Needs constant monitoring

How does the ECM control the ignition timing in the engine management system?

• Based on engine speed only

• Randomly

• Based on engine load only

• Based on both engine speed and load

What is the purpose of the actuators in the electronic engine management system?

• Output devices

• Control engine power

• Input devices

• Generate spark force