Fuel System Components and Functions

The video tutorial explains the components and functions of a vehicle's fuel injection system, including the electric pump, fuel pump strainer, fuel pressure regulator, fuel injectors, and oxygen sensors. It highlights the importance of each component in maintaining engine performance and efficiency, as well as potential issues and maintenance considerations.

What is the primary function of the electric fuel pump in a vehicle?

• To provide electricity to the vehicle's lights

• To cool down the engine

• To deliver a constant volume of fuel to the engine at high pressure

• To increase the vehicle's speed

Why are modular fuel sender assemblies more expensive?

• They incorporate several components into a single unit

• They are made of gold

• They are imported from abroad

• They require special tools for installation

What is the role of the fuel pump strainer?

• To increase fuel efficiency

• To filter contaminants and draw fuel into the pump

• To cool the fuel

• To measure fuel levels

When should the fuel pump strainer be replaced?

• Every 10,000 miles

• Every year

• Whenever a new fuel pump is installed

• Only if it is damaged

What problem can a faulty fuel pressure regulator cause?

• Overheating of the engine

• Incorrect fuel pressure leading to engine performance issues

• Excessive noise from the engine

• Increased fuel efficiency

Where is the fuel pressure regulator typically mounted?

• Inside the fuel tank

• On the vehicle's dashboard

• Next to the battery

• On the fuel rail

What controls the fuel injectors in modern engines?

• The driver

• The fuel pump

• The vehicle's onboard computer

• The exhaust system

What is a common symptom of faulty fuel injectors?

• Increased fuel economy

• Silent engine

• Hard starting and hesitation

• Smooth engine operation

What does the oxygen sensor detect in the exhaust gases?

• Carbon dioxide levels

• Oxygen levels

• Temperature

• Fuel levels

Why is the oxygen sensor considered a maintenance item?

• It needs to be checked and replaced periodically

• It is very expensive

• It is made of fragile materials

• It is located in a hard-to-reach area