How much do you know about fuel systems?

Which of the following is not one of the three system subsystems?

  • Cooling system
  • Air supply systems
  • Fuel supply system
  • Fuel metering system

Which of these is a fuel metering device?

  • Carburetor
  • Gasoline injection
  • Diesel injection pump
  • All of the above

Which of the following are placed inside fuel tanks to prevent fuel splashing?

  • Caps
  • Filters
  • Baffles
  • Restrictors

When bubbles form in overheated fuel and prevent fuel flow, it is called?

  • Blow-by
  • Vapor lock
  • Fuel blocking
  • Condensation

Which of the following are used to stop contaminants from entering parts that could be damaged by foreign matter?

  • Fuel filters
  • Pleated paper elements
  • Sintered Bronze elements
  • All of the above

A mechanical fuel pump is powered by a(n):

  • Pull rod
  • Eccentric lobe
  • Rocker arm
  • Outer valve

Fuel filters are located:

  • In the fuel line
  • In the fuel pump
  • Under the fuel line
  • All of the above

Fuel pressure for a typical fuel injection system should be about:

  • 4-6 psi
  • 6-10 psi
  • 15-40 psi
  • 28-41 psi

To remove a fuel pump, do each of these except:

  • Disconnect fuel lines
  • unbolt pump from engine
  • Remove diaphragm spring
  • Free gasket with plastic hammer

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