DODGE RAM 1999 Service Repair Manual

Engine Coolant Temperature
Sensor (5.2L) In water jacket, at front of
intake manifold.
Engine Coolant Temperature
Sensor (5.9L) In water jacket, at front of
intake manifold.
Engine Coolant Temperature

Sensor (8.0L) On thermostat housing.
Engine Oil Pressure Sensor
(Diesel) On left side of engine, near
ECM.
Engine Oil Pressure Sensor
(3.9L) Near distributor.
Engine Oil Pressure Sensor
(5.2L) Near distributor.
Engine Oil Pressure Sensor
(5.9L) Near distributor.

Engine Oil Pressure Sensor
(8.0L) Near oil filter.
Front Wheel Speed Sensors On left and right steering
knuckles.
Heated Oxygen Sensor (HO2S)
(Downstream) (3.9L) Near outlet end of catalytic\
converter.
Heated Oxygen Sensor (HO2S)
(Downstream) (5.2L) Near outlet end of catalytic\
converter.
Heated Oxygen Sensor (HO2S)
(Left Upstream) (5.9L Heavy Duty) In left exhaust manifold
downpipe.
Heated Oxygen Sensor (HO2S)
(Left Upstream) (8.0L) In left exhaust manifold
downpipe.
Heated Oxygen Sensor (HO2S)
(Post-Catalyst) (5.9L Medium Duty) Near outlet end of catalytic\
converter.
Heated Oxygen Sensor (HO2S)
(Post-Catalyst) (8.0L California) In exhaust pipe, rear of
catalytic converter.
Heated Oxygen Sensor (HO2S)
(Pre-Catalyst) (5.9L Medium Duty) At inlet of catalytic
converter.
Heated Oxygen Sensor (HO2S)
(Pre-Catalyst) (8.0L California) At inlet of catalytic
converter.
Heated Oxygen Sensor (HO2S)
(Right Upstream) (5.9L Heavy Duty) In right exhaust manifold
downpipe.
Heated Oxygen Sensor (HO2S)
(Right Upstream) (8.0L) In right exhaust manifold
downpipe.
Heated Oxygen Sensor (HO2S)
(Upstream) (3.9L) At inlet of catalytic
converter.
Heated Oxygen Sensor (HO2S)
(Upstream) (5.2L) At inlet of catalytic
converter.

Intake Air Temperature
Sensor (Diesel) In left rear side of intake
manifold.

Intake Air Temperature
Sensor (3.9L) In right front side of intake
manifold.

Intake Air Temperature
Sensor (5.2L) In right front side of intake
manifold.

Intake Air Temperature
Sensor (5.9L) In right front side of intake
manifold.

Intake Air Temperature
Sensor (8.0L) In left front side of intake
manifold.
Manifold Absolute Pressure (MAP)
Sensor (3.9L) On throttle body.

Manifold Absolute Pressure (MAP)
Sensor (5.2L) On throttle body.

Manifold Absolute Pressure (MAP)
Sensor (5.9L) On throttle body.