Trooper S 4WD V6-3.5L (2002)
Oxygen Sensor: Service and Repair
HEATED OXYGEN SENSOR (HO2S)
REMOVAL PROCEDURE
1. Disconnect the negative battery cable.
2. Locate the four oxygen sensors.
Bank 1 sensor 1 is mounted on the exhaust pipe ahead of the right-hand catalytic converter.
Bank 1 sensor 2 is mounted behind the right-hand catalytic converter.
