Dodge Dakota Sport 2001 Service Manual page 1376

AN
O2 SENSOR (Continued)
REMOVAL - EXCEPT 2.5L
Never apply any type of grease to the oxygen
sensor electrical connector, or attempt any sol-
dering of the sensor wiring harness. For sensor
operation, it must have a comparison source of
oxygen from outside the exhaust system. This
fresh air is supplied to the sensor through its
pigtail wiring harness.
For sensor locations, refer to (Fig. 44), (Fig. 45),
(Fig. 46) (Fig. 47) or (Fig. 48).
Fig. 44 Upstream Oxygen Sensor Locations—
Except 4.7L V-8 Engine
1 - EXHAUST PIPE
2 - UPSTREAM OXYGEN SENSOR
Fig. 45 Downstream Oxygen Sensor Location—
Except 4.7L V-8 Engine
1 - DOWNSTREAM OXYGEN SENSOR
2 - FRAME RAIL
3 - CATALYTIC CONVERTER
Fig. 46 Pre-Catalyst/Post-Catalyst Oxygen Sensor
Locations—Except 4.7L V-8 Engine
1 - PRE-CATALYST OXYGEN SENSOR
2 - POST-CATALYST OXYGEN SENSOR
Fig. 47 Left/Right Oxygen Sensor Locations—
Except 4.7L V-8 Engine
1 - LEFT OXYGEN SENSOR
2 - RIGHT OXYGEN SENSOR
WARNING: THE EXHAUST MANIFOLD, EXHAUST
PIPES AND CATALYTIC CONVERTER BECOME
VERY HOT DURING ENGINE OPERATION. ALLOW
ENGINE TO COOL BEFORE REMOVING OXYGEN
SENSOR.
FUEL INJECTION 14 - 49