Wrangler L4-2.4L VIN 1 (2006)
Fuel Level Sensor: Description and Operation
FUEL PUMP MODULE
Top Of Fuel Tank
The fuel pump module assembly (6) is located on the top of the fuel tank.
The module assembly (6) contains the following components:
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An internal fuel filter
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A separate fuel pick-up, or inlet filter
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A fuel pressure regulator (4)
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An electric fuel pump
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A lockring to retain pump module to tank
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A soft gasket between tank flange and module
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A fuel gauge sending unit (fuel level sensor)
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Fuel line connection
If the fuel gauge sending unit, electrical fuel pump, primary inlet filter, fuel filter or fuel pressure regulator require service, the fuel pump module must
be replaced.
Electric Fuel Pump
The electric fuel pump is located inside of the fuel pump module. A 12 volt, permanent magnet, electric motor powers the fuel pump. The electric fuel
pump is not a separate, serviceable component.
Fuel Filters
Two fuel filters are used. One is located at the bottom of the fuel pump module. The other is located inside the module. A separate frame mounted fuel
filter is not used with any engine.
Both fuel filters are designed for extended service. They do not require normal scheduled maintenance. Filters should only be replaced if a diagnostic
procedure indicates to do so.
Fuel Pressure Regulator
