This guide will provide instructions on exactly how to change the upstream oxygen sensor top top a Chevrolet vehicle.

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Symptoms

Check Engine irradiate is ONA diminish in fuel economyEngine apprehension or misfireRough Idling

What you will certainly need

Procedure

Park the Chevrolet top top level soil and set the parking brakes. 

Pull the hood release under the dashboard on the driver"s side. 

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Disconnect the an adverse battery terminal. Eliminate the plastic cover. Ease the 10mm nut. Remove the an adverse clamp from the battery.

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Locate the oxygen sensor on the exhaust manifold.

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Downstream sensors financial institution 1 Sensor 2 and Bank 2 Sensor 2 have the right to be accessed indigenous under the vehicle. Do not touch the sensor or the warm shield until the engine cools down.

Disconnect the O2 sensor. Press the connector and pull it far to unplug the oxygen sensor. Usage a level head driver to push the locking tab ~ above the connector before pulling it.

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Place the oxygen sensor socket top top the sensor and also break it loose. If the sensor cannot be loosened spray penetrating oil and also let it sit because that at least 10 minutes. This will certainly make it easier to eliminate the old Chevrolet oxygen sensor.

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Install the new oxygen sensor. Tighten the brand-new Chevrolet oxygen sensor come the encourage torque. If you space unsure of the exactly torque specs, speak to your local Chevy dealer.


Connect the oxygen sensor wire harness by plugging that in. If you space using a universal oxygen sensor, friend will have to use the diagram that came v the sensor to discover out i beg your pardon 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 the very least two sensors v 6 and 8 cylinder engines having up come four. After ~ you read the fault codes, friend will gain a code that points come a poor oxygen sensor together as financial institution 1 Sensor 1. This will enable you to determine which one of the oxygen sensors demands to it is in replaced.