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5-2-4 POWER GENERATION MODULE
The power generation module is installed under the flywheel. This module provides power to
the ECU.
5-2-5 WIRE HARNESS
The wire harness for the EFI system connects key system components to the ECU.
The EFI wire harness contains a temperature sensor that measures engine temperature.
The ECU uses this input to adjust to engine conditions.
5-2-6 CHOKE SYSTEM
The throttle body monitors air and engine temperature at start up and performs the choke
function automatically.
The choke system automatically adjusts for easier start of the engine in all weather conditions.
5-3 FUEL SYSTEM OUTLINE
TANK
FUEL RETURN PIPE
FILTER PIPE FUEL PUMP
FUEL INJECTION COMBUSION
PULSING PRESSURE
ECU
5-4 FUEL SYSTEM TESTING AND DIAGNOSIS
Most fuel system malfunctions occur when the fuel/air ratio of the mixture is not correct.
This is usually caused by clogged fuel filters, air passages, fuel passages, or by variations in
the fuel level.
To get the best possible performance from the throttle body, make sure that the fuel feed and
air feed passages are free so air and fuel can flow freely through them.
The procedure for inspecting the fuel system is described below.
Run all system tests with a full tank of fresh, clean fuel.
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