Fuel injectors final

What is the function of a fuel injector in an internal combustion engine?

• Ignite the fuel

• Regulate the air intake

• Increase exhaust emissions

• Spray fuel into the combustion chamber

Which of the following is NOT a common type of fuel injector?

• Port fuel injector

• Direct fuel injector

• Carburettor injector

• Throttle body injector

How can you test a fuel injector's spray pattern?

• By using a voltmeter

• By catching the fuel spray in a container

• By measuring fuel pressure

• By inspecting the injector for visible damage

What is a common problem with clogged fuel injectors?

• Engine misfires

• Rough idle

• Decreased fuel efficiency

• All of the options

Circle where the fuel filter is.

What is the typical operating pressure of a fuel injector?

• 10-20 psi

• 30-40 psi

• 50-60 psi

• 70-80 psi