2002 JEEP GRAND CHEROKEE engine

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Page 1431 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual (b) If line is not kinked and pressure is low,
raise vehicle and disconnect fuel pressure line at
fuel filter/fuel pressure regulator (Fig. 15) . Three
fuel lines are attached to filter/regulator. The

Page 1432 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual (e) Use DRB scan tool to power fuel pump. If
pressure is now within specifications, replace fuel
filter/fuel pressure regulator.
(f) If pressure is still low, replace fuel pump
module.
(4) If operatin

Page 1434 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual (8) Connect fuel return and pressure lines to fuel
pump module fittings (Fig. 16). Refer to Quick-Con-
nect Fittings.
(9) Install fuel tank. Refer to Fuel Tank Installa-
tion.
FUEL RAIL
DESCRIPTION
DE

Page 1435 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual CAUTION: The left and right fuel rails are replaced
as an assembly. Do not attempt to separate rail
halves at connector tube (Fig. 22). Due to design of
tube, it does not use any clamps. Never attempt

Page 1436 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual (12) Remove first three ignition coils on each bank
(cylinders #1, 3, 5, 2, 4 and 6). Refer to Ignition Coil
Removal/Installation.
(13) Remove 4 fuel rail mounting bolts (Fig. 22).
(14) Gently rock an

Page 1437 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual (9) Disconnect speed control cable at throttle body
(if equipped). Refer to Speed Control Cable.
(10) Disconnect automatic transmission cable at
throttle body (if equipped).
(11) Remove cable routing

Page 1438 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual (14) Install air tube (or duct) at top of throttle
body.
(15) Install fuel tank cap.
(16) Connect negative battery cable to battery.
(17) Start engine and check for fuel leaks.
FUEL TANK
DESCRIPTION
T

Page 1446 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual INLET FILTER
REMOVAL
The fuel pump inlet filter (strainer) is located on
the bottom of fuel pump module (Fig. 42). The fuel
pump module is located on top of fuel tank.
The fuel pump inlet filter (stra