Posted in: Oxygen Sensor

Types of Oxygen Sensor

There are 3 major types of Oxygen sensor for cars;
1. TITANIA OXYGEN Sensor
2. WIDE BAND OXYGEN SENSOR 
3.  ZIRCONA OXYGEN SENSOR

TITANIA OXYGEN SENSOR:

Titania O2 sensors are made of different kinds of ceramics. This oxygen sensor sends signals differently. Instead of making voltage, the sensor lowers its resistance when the engine is rich in fuel and increases resistance when fuel is lean. 

The engine’s computer supplies a base voltage which is used as a base reference to read the changes happening in the sensor. Please note the Titania oxygen sensor is only used in limited car models. 

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WIDE BAND OXYGEN SENSOR

Wide Band Oxygen Sensors or Wide Band O2 sensors are used in a few new cars. This type of oxygen sensor creates a higher level of voltage which changes the gas to oxygen ratio in direct proportion. Instead of producing rich and lean mixtures constantly, the wideband oxygen sensor generates a perfect ratio, thus enabling the engine to stay balanced.

The fuel and oxygen ratio can be different pending on the car.

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ZIRCONA OXYGEN SENSOR

The Zirconia oxygen sensor is the most popular type of oxygen sensor that determines the air to fuel ratio. It has further two types: heated zirconia oxygen sensors and unheated zirconia oxygen sensors.

The unheated sensor is the oldest type of oxygen sensor ever created. The sensor depends on the exhausts’ heat. Therefore, this sensor takes longer to send signals. This unheated type of oxygen sensor cools down when your car or vehicle stops and fails to produce the signal. This may result in the engine going back to the previous setting, i.e. the wrong gas to oxygen ratio setting.

With heated zirconia, your car’s engine receives signals from the sensor at a much quicker pace. This lowers the cold-start smoke coming out of the car’s exhaust. Consequently, the heater zirconia oxygen sensor does not cool down when your car stops, and no false or wrong signals are sent to the car’s engine’s computer.

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DISADVANTAGES OR PROBLEMS OF FAKE/BAD OXYGEN SENSOR

  1. Lack of Engine Power
  2. Engine Misfiring
  3. Engine Stalls or start consuming an increased amount of fuel.

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