Rodeo S 2WD L4-2.2L (1999)
Oxygen Sensor: Service and Repair
Heated Oxygen Sensor (HO2S)
REMOVAL
1. Disconnect the negative battery cable.
2. Locate the two oxygen sensors.
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Bank 1 sensor 1 is mounted on the exhaust pipe ahead of the catalytic converter.
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Bank 1 sensor 2 is mounted on the exhaust pipe behind the catalytic converter.
3. Disconnect pigtail electrical connector.
NOTE: The pigtail is permanently attached to the sensor. Be careful not to pull the wires out.
4. Unscrew sensors form the exhaust pipe. Because of the expansion and contraction of the metal in the exhaust system over time, this may be
difficult if the engine temperature is below 48 ° C.
INSTALLATION
NOTE: If HO2S is reinstalled after removal, special anti-seize compound or the equivalent should be applied to the threads. Special anti-seize
compound, (P/N 5613695), is used on the HO2S threads. This compound consists of glass beads suspended in a liquid graphite solution. The graphite
burns away with exhaust heat, but the glass beads will remain, making the sensor easier to remove.
1. Apply anti-seize compound or the equivalent to the thread.
2. Install HO2S on the exhaust pipe.
3. Tighten the sensor to 55 Nm (40 lb ft)
4. Connect the pigtail to the wiring harness.
5. Connect the negative battery cable.
