How To Replace O2 Sensor

The oxygen sensor sometimes called an O2 sensor is a device mounted in the exhaust system that constantly monitors the oxygen content in the gases that exit the engine. They do sell a special tool but you can do it with a crescent wrench.

Oxygen Sensor Replacement Cost Everything You Need To Know

Unplug the sensor from the wiring.

How to replace o2 sensor. The sensor is typically almost welded to the exhaust so apply a liberal spray of penetrating oil to the threads of the sensor and let it loosen the joint. Open the fuse panel in the driver-side foot well under the steering column by pulling down on it with your. Because the sensor corrodes with the exhaust system it can be tough to loosen so squirts and penetrating oil on the threads before attempting removal.

Step by step instructions. Disconnect the sensor wiring plug. You may have more than one.

The electrical connection will need to be unplugged to allow the socket to be attached to the device. Get the fault codes. Pull the fuse for the.

Using a Kia OEM oxygen sensor you can plug the new sensor directly into the electrical socket. Tools and Supplies Needed. An Oxygen sensor that is between the catalytic converter and the engine is known as an upstream sensor.

If you are using a universal O2 sensor you will need to splice and connect the wires. Apply anti-seize paste to the threads of the new sensor before installing it into the manifold. How to replace air fuel ratio sensor.

Place the oxygen sensor socket on the sensor and break it loose. Unplug the wire at the connector and remove O2 sensor. Once youve determined which sensor is defective you can remove it with his special oxygen sensor socket wrench which is available at AutoZone.

Apply anti-seize to the threads of the new O2 sensor for ease of installation and reconnect the wire. Owners of Kia Forte Optima Rio Sorento Soul Sportage Sedona Soul Borrego will find this guide helpful. How to check bad oxygen.

The O2 sensor lets the computer know if the fuel mix is burning rich not enough oxygen or lean too much oxygen. Sensor 1- Sensor 1 would be the first O2 sensor in the line of sensors starting with the exhaust manifold and making its way back to the exhaust pipe. Use some liquid wrench first.

The sensors on your car are typically on the passenger side and are mounted directly onto the exhaust pipe on either side of the catalytic converter. You can then begin to screw the replacement sensor in by hand before tightening it up again with the O2 sensor socket. Using a 22mm wrench or ratchet O2 sensor socket remove the O2 sensor from the exhaust manifold.

Remove the sensor by unbolting the retaining bolts with a socket set and then unplugging it from its electric wiring harness. Locate the fuse for the ECU using the fuse diagram on the underside of the fuse panel cover. Disconnect the sensors wiring connector be careful of its plastic tabs and try to remove it either with an open-end wrench or an O2 sensor socket.

Use a 10mm socket to loosen the nut on the black negative - cable and pull the cable away from the battery post. How to Reset the ECU After Changing an O2 Sensor Step 1. Torque the sensor to approximately 30 ftlbs.

When an O2 sensor fails it can cause the engine to run lean or rich depending on the failure. Use an anti rust treatment to help in the removal of the old sensor. How to replace a oxygen sensor in your car DIY with Scotty Kilmer.

Locate and remove the oxygen sensor. Disconnect Sensor Press the connector and pull it away to unplug the oxygen sensor. If you have not used an OBD II scanners before.

Wrench set with large sizes. If you do you only need to budget for the price replacement sensors but you will need to clear the codes with an OBD tool Rent through Loan-A-Tool. Once you scan your car you will get a fault code that directs you to the.

This specialized tool is a deep-well socket not unlike a spark plug socket with a cutout along one side to accommodate the sensors wiring pigtail. Once the failed oxygen sensor has been located simply replace the sensor. The total O2 sensor replacement cost depends on whether you do your job yourself.

Knowing the ratio of fuel to air allows your vehicles engine to make any. Oxygen sensors after the catalytic converter are downstream sensors. Anti-Rust penetrating oil such as WD40.

Oxygen sensors are located before and after the catalytic converter. Locate the defective oxygen sensor. Scan your cars ECU using an OBD 2 scanner.

The socket should need one or two turns to loosen it off after which it should be easy enough to remove with your hands.

How To Replace An Oxygen Sensor Yourmechanic Advice