Fuel Filter - Chrysler PT Cruiser Service & Repair Manual

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FUEL DELIVERY

FUEL DELIVERY (Continued)

Fuel Line Adapter 1/4

O2S (Oxygen Sensor) Remover/Installer—C-4907

O2S (Oxygen Sensor) Remover/Installer - 8439

FUEL FILTER

The fuel filter mounts inside the fuel pump module

and is a non-serviceable part.

FUEL LEVEL SENDING UNIT /

The fuel gauge level sending unit is attached to the

side of fuel pump module. The level sensor is a vari-

able resistor.

Its resistance changes with the amount of fuel in

the tank. The float arm attached to the sensor moves

as the fuel level changes.

The fuel level input is used as an input for OBD II.

If the fuel level is below 15% or above 85% of total

tank capacity several monitors are disabled. There

are diagnostics for the level circuit open and shorted.

(1) Remove fuel pump module. Refer to Fuel Pump

Module in this section.

(2) Depress retaining tab and remove the fuel

pump/level sensor connector from the BOTTOM of

the fuel pump module electrical connector (Fig. 1) .

NOTE: The pump module harness on TOP of flange

is not serviceable or removable.

Fig. 1 Fuel Pump/Level Sensor Electrical Connector

1 - ELECTRICAL CONNECTOR

(3) Remove the wedge lock from the electrical con-

nector (Fig. 2) .

Fig. 2 Wedge Lock

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