check engine JEEP LIBERTY 2002 KJ / 1.G Workshop Manual

JEEP LIBERTY 2002 KJ / 1.G Workshop Manual LIBERTY 2002 KJ / 1.G JEEP JEEP https://www.carmanualsonline.info/img/16/7176/w960_7176-0.png JEEP LIBERTY 2002 KJ / 1.G Workshop Manual

Page 1412 of 1803

JEEP LIBERTY 2002 KJ / 1.G Workshop Manual INSTALLATION
(1) Place accelerator pedal assembly over 2 studs
(Fig. 1) protruding from floor pan.
(2) Install 2 mounting nuts. Refer to torque speci-
fications.
(3) Slide throttle cable into opening

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JEEP LIBERTY 2002 KJ / 1.G Workshop Manual OPERATION
2.4L
Engine speed and crankshaft position are provided
through the CKP (Crankshaft Position) sensor. The
sensor generates pulses that are the input sent to the
Powertrain Control Module (PCM

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

Page 1419 of 1803

JEEP LIBERTY 2002 KJ / 1.G Workshop Manual The resistance values of the IAT sensor is the same
as for the Engine Coolant Temperature (ECT) sensor.
REMOVAL
2.4L
The intake manifold air temperature (IAT) sensor
is installed into the intake manif

Page 1420 of 1803

JEEP LIBERTY 2002 KJ / 1.G Workshop Manual INSTALLATION
2.4L
The intake manifold air temperature (IAT) sensor
is installed into the intake manifold plenum at the
rear end of the intake manifold.
(1) Check condition of sensor o-ring.
(2) Clean

Page 1421 of 1803

JEEP LIBERTY 2002 KJ / 1.G Workshop Manual The range of voltage output from the sensor is usually
between 4.6 volts at sea level to as low as 0.3 volts at
26 in. of Hg. Barometric pressure is the pressure
exerted by the atmosphere upon an obje

Page 1422 of 1803

JEEP LIBERTY 2002 KJ / 1.G Workshop Manual INSTALLATION
2.4L
The Manifold Absolute Pressure (MAP) sensor is
mounted into the rear of the intake manifold. An
o-ring is used to seal the sensor to the intake mani-
fold (Fig. 19).
(1) Clean MAP se

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JEEP LIBERTY 2002 KJ / 1.G Workshop Manual WARNING: THE EXHAUST MANIFOLD, EXHAUST
PIPES AND CATALYTIC CONVERTER BECOME
VERY HOT DURING ENGINE OPERATION. ALLOW
ENGINE TO COOL BEFORE REMOVING OXYGEN
SENSOR.
(1) Raise and support vehicle.
(2) Dis

Page 1428 of 1803

JEEP LIBERTY 2002 KJ / 1.G Workshop Manual (8) Using a pick or small screwdriver, press release
tab (Fig. 30) to release plastic cable mount from
bracket.Press on tab only enough to release
cable from bracket. If tab is pressed too much,
it wi

Page 1430 of 1803

JEEP LIBERTY 2002 KJ / 1.G Workshop Manual 3.7L
The Throttle Position Sensor (TPS) is mounted to
the throttle body (Fig. 32), or (Fig. 33).
(1) Disconnect TPS electrical connector.
(2) Remove 2 TPS mounting screws.
(3) Remove TPS.
INSTALLATION