Modify the O2 Sensor on a 2000 Silverado
The O2 sensors in your 2000 Chevy Silverado inform the drivetrain pc of the O2 content in the exhaust stream. This enlightenment helps the machine larger adjust the air/fuel combination sent into the engine's combustion chambers. The oxygen sensors booty a abundance of abuse as miles accumulate, and they can fail--particularly as a vehivle rolls foregone the 100,000 mile stop. Whether one or expanded of your 2000 Silverado's O2 sensors fails, you might indication a Blop in fuel economy and engine performance. Sometime, your Silverado's Proof Engine clear Testament glow on your dashboard. Then you can be confident: It's extent to pocket money the O2 sensors, which you can arrange Homewards with a infrequent easy tools in a argument of minutes.
Instructions
1. Manage your Silverado for approximately 20 minutes at highway speeds to bring the engine to operating temperature. This Testament practise it yet easier to remove the O2 sensor without damage to the boss threads on the exhaust course where the sensor mounts.
2. Field your Silverado on equable ground and allot the transmission to "Impartial." Hoist the front of the Silverado with a floor jack, support the Silverado on two safety stands placed under the frame rails, and apply the parking brakes. Block one rear wheels with a chock on either side.
3. Open the hood and locate the oxygen sensor you need to replace. You may follow the left or right headed pipe that connects to the exhaust manifold toward the rear of the vehicle. You could use a diagnostic scan tool to determine which oxygen sensor has failed, or you can just replace them both and save the trouble of changing the older one when it fails later. You will find a sensor right before the catalytic converter and another one after. The sensor is a small cylinder, about the size of a spark plug, with an electrical wire last.
4. Trace the electrical wire from the sensor to find the connector. Examine the connector and remove the small plastic pin that secures both halves of the connector. Put it in a pocket. Unplug the connector.
Plug in the sensor electrical connector and secure both halves with the plastic pin.8. Lower your Silverado and remove the two chocks.
Apply a coat of anti-seize compound to the threads of the new sensor, making sure not to touch the tip of the sensor with the compound. Thread the sensor finger tight. Position the sensor socket on the sensor and tighten the sensor to 30 foot-pounds (41 Newton meters) with a torque wrench.
7.5. Position an oxygen sensor socket on the sensor, unfasten the sensor from the exhaust pipe with a ratchet, and remove the sensor.6.
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