Where is the oxygen sensor on my car?
Find the oxygen sensor or sensors you need to replace. The upstream sensor is located near the exhaust manifold and the downstream sensor on the back exhaust pipe, close to the catalytic converter. Disconnect the oxygen sensor electrical connector.
Where is the front sensor on a Chevy Cavalier?
If you are replacing the rear sensor (downstream), you’ll need to lift the Cavalier’s front end with the floor jack and support it safely and securely onto the jack stands. The front sensor is located in the front lower center of the engine and screwed into the header pipe.
What happens when the oxygen sensor fails on a Chevy Cavalier?
The computer then adjusts the ratio of air and fuel to lower the pollution in exhaust. When the sensor fails in the Cavalier, the computer ignores it and makes its own adjustments, which can cause more pollution, less gas mileage or both.
What kind of engine does a Chevy Cavalier have?
The common engine in the Chevy Cavalier is the 2.2 liter four cylinder. A few models have a 2.4 liter engine. Both engines use two oxygen sensors.
How do you change the oxygen sensor on a Chevy Cavalier?
Use the flathead screwdriver to press in on the clip lock of the plug on the oxygen sensor wire and separate it from the wire harness. Spray a liberal amount of penetrating oil on the threads of the oxygen sensor and allow the oil to soak in.
Find the oxygen sensor or sensors you need to replace. The upstream sensor is located near the exhaust manifold and the downstream sensor on the back exhaust pipe, close to the catalytic converter. Disconnect the oxygen sensor electrical connector.
The common engine in the Chevy Cavalier is the 2.2 liter four cylinder. A few models have a 2.4 liter engine. Both engines use two oxygen sensors.
What’s the best way to remove an oxygen sensor?
Remove the oxygen sensor using a box-end wrench or a ratchet and oxygen-sensor socket. Apply a light coat of anti-seize compound to the threads of the new sensor. Avoid touching the tip of the sensor with the compound, which may ruin the unit.