Jeep Liberty KJ. Manual — part 963
1. Drain and remove fuel tank. Refer to Fuel Tank
Removal/Installation.
2. Note rotational position of module before attempt-
ing removal. An indexing arrow is located on top of
module for this purpose.
3. Position Special Tool 9340 (3) into notches on out-
side edge of lockring (5).
4. Install 1/2 inch drive breaker bar (1) to tool 9340
(3).
5. Rotate breaker bar counter-clockwise to remove
lockring.
6. Remove lockring. The module will spring up slightly
when lockring is removed.
7. Remove module from fuel tank. Be careful not to
bend float arm while removing.
INSTALLATION
CAUTION: Whenever the fuel pump module is serviced, the rubber seal (gasket) must be replaced.
1. Using a new seal (gasket), position fuel tank mod-
ule into opening in fuel tank.
2. Position lockring (5) over top of fuel pump module.
3. Rotate module until embossed alignment arrow
points to center alignment mark. This step must be
performed to prevent float from contacting side of
fuel tank. Also be sure fuel fitting on top of pump
module is pointed to front of vehicle.
4. Install Special Tool 9340 (3) to lockring.
5. Install 1/2 inch drive breaker (1) into Special Tool
9340 (3).
6. Tighten lockring (clockwise) until all seven notches
have engaged.
7. Install
fuel
tank.
Refer
to
Fuel
Tank
Removal/Installation.
14 - 72
FUEL DELIVERY - 2.8L DIESEL
KJ
FUEL INJECTION - 3.7L GAS
TABLE OF CONTENTS
page
page
FUEL INJECTION - 3.7L GAS
DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
PEDAL-ACCELERATOR
SENSOR-CRANKSHAFT POSITION
INJECTOR-FUEL
DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
OPERATION
RELAY-FUEL PUMP
MOTOR-IDLE AIR CONTROL
SENSOR-INTAKE AIR TEMPERATURE
DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
SENSOR-MANIFOLD AIR PRESSURE
SENSOR-OXYGEN
BODY-THROTTLE
CABLE-THROTTLE CONTROL
SENSOR-THROTTLE POSITION
KJ
FUEL INJECTION - 3.7L GAS
14 - 73
FUEL INJECTION - 3.7L GAS
DESCRIPTION
The Powertrain Control Module (PCM) operates the fuel injection system. Refer to Powertrain Control Module in
Electronic Control Modules for information.
14 - 74
FUEL INJECTION - 3.7L GAS
KJ
PEDAL-ACCELERATOR
REMOVAL
The accelerator pedal is serviced as a complete assembly including the bracket.
The accelerator pedal is connected to the upper part
of the accelerator pedal arm by a plastic retainer
(clip). This plastic retainer (3) snaps into the top of the
accelerator pedal arm.
1. From inside the vehicle, hold up accelerator pedal.
Remove plastic cable retainer (clip) and throttle
cable core wire from upper end of accelerator
pedal arm. Plastic cable retainer (clip) snaps into
pedal arm.
2. Remove 2 accelerator pedal mounting bracket nuts
(5). Remove accelerator pedal assembly (4).
INSTALLATION
1. Place accelerator pedal assembly (4) over two
mounting studs (6) protruding from floor pan.
2. Install two mounting nuts (5). Torque to 12 N·m
(105 in. lbs.).
3. Slide throttle cable into opening slot in top of pedal
arm.
4. Push plastic cable retainer (clip) (3) into accelerator
pedal arm opening until it snaps into place.
5. Before starting engine, operate accelerator pedal to
check for any binding.
KJ
FUEL INJECTION - 3.7L GAS
14 - 75
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