In this guide, friend will discover instructions on just how to change the upstream oxygen sensor on a Chevrolet vehicle.

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Check Engine irradiate is ONA to decrease in fuel economyEngine skepticism or misfireRough Idling

What you will certainly need


Park your Chevrolet top top level ground and set the parking brakes. 

Pull the hood relax under the dashboard ~ above the driver"s side. Your browser does no support video tag.

Disconnect the an unfavorable battery terminal. Eliminate the plastic cover. Loosen the 10mm nut. Eliminate the an adverse clamp indigenous the battery.

Locate the oxygen sensor ~ above the exhaust manifold.

Downstream sensors financial institution 1 Sensor 2 and Bank 2 Sensor 2 can be accessed native under the vehicle. Do not touch the sensor or the heat shield till the engine cools down.

Disconnect the O2 sensor. Press the connector and also pull it far to unplug the oxygen sensor. Usage a flat head driver to push the locking tab ~ above the connector prior to you pull it.


Place the oxygen sensor socket ~ above the sensor and break that loose. If the sensor can not be loosened spray penetrating oil and let that sit for at least 10 minutes. This will certainly make it much easier to eliminate the old Chevrolet oxygen sensor.


Install the brand-new oxygen sensor. Tighten the brand-new Chevrolet oxygen sensor come the encourage torque. If you room unsure of the correct torque specs, contact your regional Chevy dealer.

Connect the oxygen sensor wire harness by plugging the in. If you space using a universal oxygen sensor, friend will need to use the diagram that came v the sensor to find out which wires come connect.

Reconnect the battery an unfavorable cable. 

This guide applies to vehicles such as Spark, Sonic, Bolt, Volt, Cruze, Malibu, Impala, Camaro, Corvette, City Express, Trax, Equinox, Traverse, Tahoe, Suburban, Colorado, Silverado, Sonic, Blazer, Astro, HHR, Uplander, Avalanche, etc.

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All Chevrolet cars have actually at least two sensors v 6 and also 8 cylinder engines having up come four. After ~ you review the fault codes, you will get a code that points come a bad oxygen sensor such as financial institution 1 Sensor 1. This will enable you to determine which among the oxygen sensors should be replaced.