Trooper II L4-2559cc 2.6L SOHC (4ZE1) (1989)
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Oxygen Sensor: Service and Repair
Oxygen Sensor Life Indicator Light
Maintainence Reminder Light Reset
At 90,000 mile intervals, the O2 sensor lamp will illuminate.
After replacing the sensor, perform the following procedure to reset the lamp.
- Remove instrument cluster.
- Operate switch on back of speedometer.
- Install instrument cluster.
NOTE: This procedure will occur at 90,000 mile mile intervals.