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Where is the O2 sensor on a 2004 Chevy Cavalier?
The front sensor is located in the front lower center of the engine and screwed into the header pipe. The rear sensor is located in the exhaust pipe near the catalytic converter. Put on safety glasses if you crawl under the Cavalier.
How do you know which O2 sensor needs to be replaced?
Any repair shop should be able to read what triggered your check-engine light, and a mechanic or auto parts store may perform this service for free. Other signs that you need a new oxygen sensor include a rough idle, misfiring spark plugs, lack of power, stalling or a significant increase in fuel consumption.
How many oxygen sensors does a 2011 Chevy Malibu have?
The 2011 Chevy Malibu uses two oxygen sensors to monitor the exhaust gas. The Bank 1 sensor is located on the bottom of the exhaust manifold at the rear of the engine. It is just above where the manifold ends and the exhaust pipe begins. The Bank 2 sensor is located right after the catalytic converter.
Does AutoZone install O2 sensors?
If you have noticed some bad O2 sensor symptoms and are ready to replace your sensors, AutoZone has everything you need to do the job right. Of course, if you have questions about your O2 sensors or anything else automotive, our knowledgeable AutoZone associates are always ready to help.
How to remove the O2 sensor from a Chevy Silverado?
Pull the wire harness free and disconnect it. Using a flat head screwdriver, pry out the metal clip securing the wire harness that’s directly connected to the O2 sensor. Use the 7/8″ Crescent wrench to remove the O2 sensor.
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.
How do you install a new O2 sensor?
Hand-tighten the new O2 sensor into place. Use the 7/8″ Crescent wrench to tighten the O2 sensor to a snug fit. Reconnect the wire harness to the new O2 sensor. Route the wire harness to the frame rail. Push the wire harness clip back into place.
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.