Virtually every car produced since the early 1980s contains a sensor that regulates oxygen flow to your engine. The oxygen sensor works by sending information to your vehicles engine management system to help your car fun efficiently as well as to reduce noxious emissions. When an oxygen sensor fails your vehicle will run less effectively and devour more fuel. Thus, when oxygen sensor failure has been determined the sensor must then be replaced, a costly proposition if you rely on a garage to do the work for you. However, replacing an oxygen sensor is a task that you can do yourself, thereby saving you precious time and money. Lets take a closer look at just what an oxygen sensor does and the steps you can take to do the work yourself.
As a backgrounder, your oxygen sensor works like this: placed inside of your exhaust pipe, the oxygen sensor detects the ratio of air and gasoline your engine is fed. If the mixture is too rich or too lean than the oxygen sensor adjusts the amount of fuel entering your engine accordingly. The wrong mix of gasoline and oxygen can increase pollutants that exit your vehicle thereby harming the environment — as well as potentially...
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