2002 JEEP LIBERTY relay

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Page 1386 of 1803

JEEP LIBERTY 2002 KJ / 1.G Workshop Manual (8) Pressure should not fall below30 psi for five
minutes.
(9) If pressure falls below 30 psi, it must be deter-
mined if a fuel injector, the check valve within the
fuel pump module, or a fuel tube/l

Page 1397 of 1803

JEEP LIBERTY 2002 KJ / 1.G Workshop Manual FUEL PUMP
DESCRIPTION
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, serv

Page 1398 of 1803

JEEP LIBERTY 2002 KJ / 1.G Workshop Manual (1) Remove protective cap at fuel rail test port.
Connect the 0±414 kPa (0-60 psi) fuel pressure gauge
(from gauge set 5069) to test port pressure fitting on
fuel rail (Fig. 20).The DRBtIII Scan Tool

Page 1399 of 1803

JEEP LIBERTY 2002 KJ / 1.G Workshop Manual WARNING: BEFORE PROCEEDING TO NEXT STEP,
NOTE THE FUEL PUMP WILL BE ACTIVATED AND
SYSTEM PRESSURE WILL BE PRESENT. THIS WILL
OCCUR AFTER CONNECTING TEST LEADS FROM
LCS ADAPTER INTO FUEL PUMP RELAY CAV

Page 1400 of 1803

JEEP LIBERTY 2002 KJ / 1.G Workshop Manual (17) When LCS adapter test leads are attached
into relay cavities, fuel pumpwill be activated.
Determine fuel pump amperage on DRB screen.
Amperage should be below 10.0 amps. If amperage is
below 10.0

Page 1411 of 1803

JEEP LIBERTY 2002 KJ / 1.G Workshop Manual FUEL INJECTION
TABLE OF CONTENTS
page page
FUEL INJECTION
DESCRIPTION.........................29
ACCELERATOR PEDAL
REMOVAL.............................29
INSTALLATION.........................30
CRANKS

Page 1415 of 1803

JEEP LIBERTY 2002 KJ / 1.G Workshop Manual FUEL INJECTOR
DESCRIPTION
An individual fuel injector (Fig. 9) is used for each
individual cylinder.
OPERATION
OPERATION - FUEL INJECTOR
The top (fuel entry) end of the injector (Fig. 9) is
attached i

Page 1416 of 1803

JEEP LIBERTY 2002 KJ / 1.G Workshop Manual REMOVAL
(1) Remove fuel rail. Refer to Fuel Injector Rail
Removal.
(2) Disconnect clip(s) that retain fuel injector(s) to
fuel rail (Fig. 10).
INSTALLATION
(1) Install fuel injector(s) into fuel rail