159 Copyright by Goodheart-Willcox Co., Inc. After studying this chapter, you will be able to: • Describe the function of fuel tanks. • Explain the operation of fuel pumps. • Identify the function of fuel filters. • List the major components of the fuel metering system. • Explain the function of fuel pressure regulators. • Compare and contrast pulsed and fixed-flow fuel injectors. • Compare and contrast throttle body and multiport fuel injection systems. • Describe the major differences between gasoline and diesel fuel injection systems. • Identify the function of intake manifolds and plenums. • Explain the designs of superchargers and turbochargers. • Describe the function of air filters. air cleaner air-induction system atomization boost cetane number common rail diesel fuel direct multiport fuel injection distributor injection pump filter element fuel fuel delivery system fuel filter fuel injection pressure regulator fuel injector fuel line fuel metering system fuel pump fuel rail fuel system fuel tank fuel tank–pressure sensor fuel trim monitor gasoline glow plug hydrocarbons idle air control motor indirect multiport fuel injection system injector pulse width inline injection pump intake manifold nozzle octane rating oxygenated gasoline pintle plenum push-on connector returnless fuel system sequential turbocharger speed density system stoichiometric fuel mixture throttle body fuel injection (TBI) system tube fitting turbo lag twin turbochargers unit injection vacuum hose wastegate waxing Technical Terms Fuel System Fundamentals Chapter 9