Oxygen Sensors (O2) - They Monitor The Levels Of Fuel Mixture
Oxygen Sensors (O2) – They Monitor The Levels Of Fuel Mixture

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(O2) Oxygen Sensor – Function – Failure Symptoms – Testing

Oxygen Sensor (O2) – What Else Could Cause Rich Or Lean Codes


So, Cars with O2 sensors have a minimum of one sensor in front of the catalytic converter. Also, One in each of the car’s exhaust manifolds. But, The actual number of oxygen sensors for a car depends on the year, make, model and engine. However, most of the later model vehicles have four oxygen sensors.

When a gasoline-powered engine burns gasoline there is oxygen present. So, Oxygen in an engine is the result of a number of factors. Including the air temperature, altitude, engine temperature, load on the engine, and barometric pressure. The ideal ratio for oxygen and gasoline is 14.7:1, which slightly varies depending on different types of gas. In the instance that there is less oxygen present, fuel will remain after combustion. Consequently, Referred to as a rich mixture.

Both the rich and lean mixtures are bad for your car, as well as for the environment. A rich mixture results in a fuel that is not burned. So, A lean mixture generates nitrogen-oxide pollutants. As a result, Leading to decreased vehicle performance and engine damage.

Typically, an O2 sensor creates a voltage due to a chemical reaction resulting from an off-balanced gasoline to oxygen ratio. Consequently, Most car engines can determine how much fuel to expel into the engine. As a result, Of the voltage of the O2 sensor. If your oxygen sensor fails to function properly, your engine management computer cannot determine the air to fuel ratio. As a result, The engine is forced to guess how much gasoline to use. Therefore, Resulting in a polluted engine and a poorly functioning vehicle.

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