Fuel Metering System Components

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Basic System Operation

The fuel metering system starts with the fuel in the fuel tank. An electric fuel pump, located in the fuel tank with the gauge sending unit, pumps fuel to the fuel rail through an in-pipe fuel filter. The fuel pump is designed to provide fuel at a pressure above the pressu...

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Service Manual Table of Contents

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Document Title: Fuel Metering System Components

system

fuel

tank

pump

rail

pipe

provide

pressure

needed

regulator

returned

further

information

accelerator

control

used

throttle

plate

engine

sensor

mounted

cylinders

manifold

injector

valve

stuck

open

times

load

result

idle

speed

pintle

flow

position

condition

relay

fuel fuel

fuel pump

fuel rail

fuel injectors

pressure regulator

regulator fuel

fuel pressure

fuel injector

engine load

pump relay

fuel fuel rail

fuel injectors fuel

pressure regulator fuel

fuel pipes fuel

fuel pressure regulator

regulator fuel pressure

returned fuel tank

bypassed throttle plate

idle speed possible

speed possible hard

possible hard starting

fuel pump relay

inoperative fuel pump