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FUEL SYSTEM
OXYGEN SENSOR
OXYGEN SENSOR INFORMATION
The oxygen sensor, located on the exhaust pipe before
the muffler, uses a 4 wire heated element.
CONNECTOR
WIRE
PIN
COLOR
Gray
A
B
Black
C
White
D
White
There are no valid static tests to perform on the oxygen
sensor. The sensor should be diagnosed using Digital
Wrench.
First, verify if there are any stored codes for the oxygen
sensor.
NOTICE
The ECU must first run though the O2 sensor time
delay before a trouble code will be set. This may take
several minutes at idle to occur.
Short drive cycles and cold temperatures will both affect
the delay time of the O2 sensor (increases the delay).
The delay time ensures the oxygen sensor heater has
run long enough to provide accurate data.
4.34
OXYGEN SENSOR REPLACEMENT
1. Disconnect the harness going to the oxygen sensor.
2. Remove the oxygen sensor from the exhaust pipe.
PIN AND WIRE
3. Install new oxygen sensor. Torque sensor to
CONNECTION
Sensor Ground
Sensor Output
Heater Power
Heater Ground
4. Connect the harness going to the oxygen sensor.
9929399 R01 - 2018-2019 RANGER XP/ CREW 900/1000 Service Manual
specification.
TORQUE
Oxygen Sensor:
13 ft-lb (18 Nm)
© Copyright Polaris Industries Inc.
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