What is an oxygen sensor?

Since 1980 car manufacturers have used the oxygen sensor to help control pollution. Most sensors are located in the exhaust manifold. The oxygen sensor senses the difference in oxygen levels between the exhaust and the outside air. The sensor sends the information to the engine control computer which adjusts the amount of air taken into the combustion chamber.

Without a working oxygen sensor, a car will not run properly. The oxygen level in the air brought into the combustion chamber varies with altitude and outside temperature. Other factors important to the amount of oxygen for a clean burn are the amount of load on the vehicle and the temperature inside the engine. With so many variables affecting the burn, the measuring of oxygen in the resulting fumes are paramount for fuel efficiency.

At Priority Honda Huntersville, we monitor your fuel efficiency by accessing the oxygen sensor logs in your engine control computer.

 
 
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