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How to Change the O2 Sensor on a 2000 Dodge Dakota

The oxygen sensor is an integral part of your Dakotas emissions system. It monitors the amount of oxygen in the exhaust. When an O2 sensor fails, your Dakota may hesitate or your fuel mileage may noticeably decrease. If your Check Engine light comes on, the O2 sensor may be to blame. Most auto parts stores will scan the computer for you to determine the problem at no cost. Purchase replacement sensors from an auto parts store or Dodge dealership.

Instructions

1

Lift your Dakota using a jack. Secure the truck on a set of jack stands so that you can comfortably work under it.

2

Locate the downstream oxygen sensor on the pipe behind the catalytic converter, running beside the frame rail. Disconnect the wiring from the sensor by pulling it straight out of the connector. Remove the O2 sensor using an oxygen sensor socket and a ratchet.

3

Install the replacement sensor with the oxygen sensor socket and the ratchet, turning it clockwise until it is secure. Torque the sensor to 22 foot-pounds with a torque wrench. Connect the wiring harness to the sensor by plugging it into the connection on the sensor.

4

Locate the upstream O2 sensors on either side of the transmission oil pan. There is an exhaust pipe running on each side of the pan with sensors in each one. Disconnect the wiring harness from each of the sensors then remove the sensors with the oxygen sensor socket and ratchet.

5

Install the new sensors in each location using the oxygen sensor ratchet. Torque the sensors to 22 foot-pounds with a torque wrench. Attach the wiring harness to the sensors by plugging them straight into the connections on the sensors.

6

Raise the vehicle up with the jack and remove the jack stands. Lower the vehicle to the ground.