Tacoma 4WD V6-3.4L (5VZ-FE) (1995)
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Oxygen Sensor: Testing and Inspection
INSPECT HEATER RESISTANCE OF HEATED OXYGEN SENSORS.
(Bank 1, Sensor 1, Bank 1 Sensor 2)
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Disconnect the oxygen sensor connector.
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Using an ohmmeter, measure the resistance between the terminals +B and HT.
Resistance: At 20°C (68°F): 11 - 16 Ohms
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If the resistance is not as specified, replace the sensor.
Torque: 20 Nm (14 ft lb)
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Reconnect the oxygen sensor connector.