sensor DODGE RAM 2003 Service Repair Manual

DODGE RAM 2003 Service Repair Manual RAM 2003 DODGE DODGE https://www.carmanualsonline.info/img/12/56913/w960_56913-0.png DODGE RAM 2003 Service Repair Manual

Page 1731 of 2895

DODGE RAM 2003  Service Repair Manual The IAC motor has 4 wires with 4 circuits. Two of
the wires are for 12 volts and ground to supply elec-
trical current to the motor windings to operate the
stepper motor in one direction. The other 2

Page 1732 of 2895

DODGE RAM 2003  Service Repair Manual 5.7L V-8
The IAC motor is not serviceable on the 5.7L V-8
engine.
5.9L V-8
The IAC motor is located on the back of the throt-
tle body (Fig. 22).
(1) Remove air resonator box at throttle body.
(2) Dis

Page 1733 of 2895

DODGE RAM 2003  Service Repair Manual (2) Install and tighten two mounting bolts (screws)
to 7 N´m (60 in. lbs.) torque.
(3) Install electrical connector.
(4) Install air resonator to throttle body.
5.7L V-8
The IAC motor is not servicea

Page 1734 of 2895

DODGE RAM 2003  Service Repair Manual (4) Check condition of sensor o-ring.
5.7L V-8
The intake manifold air temperature (IAT) sensor
is installed into the front of the intake manifold air
box plenum (Fig. 27).
(1) Disconnect electrical c

Page 1735 of 2895

DODGE RAM 2003  Service Repair Manual INSTALLATION
3.7L V-6
The intake manifold air temperature (IAT) sensor
is installed into the left side of intake manifold ple-
num (Fig. 24).
(1) Check condition of sensor o-ring.(2) Clean sensor moun

Page 1736 of 2895

DODGE RAM 2003  Service Repair Manual (1) Install sensor to intake manifold. Tighten to
12±15 N´m (110±130 in. lbs.) torque.
(2) Install electrical connector.
MAP SENSOR
DESCRIPTION
3.7L V-6
The Manifold Absolute Pressure (MAP) sensor

Page 1737 of 2895

DODGE RAM 2003  Service Repair Manual pressure is approximately 29.92 in Hg. For every 100
feet of altitude, barometric pressure drops 0.10 in.
Hg. If a storm goes through, it can change baromet-
ric pressure from what should be present f

Page 1738 of 2895

DODGE RAM 2003  Service Repair Manual 5.7L V-8
The Manifold Absolute Pressure (MAP) sensor is
mounted to the front of the intake manifold air ple-
num box (Fig. 34).
(1) Disconnect electrical connector at sensor by
sliding release lock ou

Page 1739 of 2895

DODGE RAM 2003  Service Repair Manual INSTALLATION
3.7L V-6
The Manifold Absolute Pressure (MAP) sensor is
mounted into the front of the intake manifold (Fig.
31). An o-ring is used to seal the sensor to the intake
manifold (Fig. 32).
(1)

Page 1740 of 2895

DODGE RAM 2003  Service Repair Manual OXYGEN SENSOR
DESCRIPTION
The Oxygen Sensors (O2S) are attached to, and
protrude into the vehicle exhaust system. Depending
on the engine or emission package, the vehicle may
use a total of either 2 o