The Different Sensors For Vehicle Emissions

The increase in the number of cars on the road has led to concerns about the potential amount of pollution vehicles can produce. A solution for this is the emission control systems, which aim to increase engine efficiency and limit the creation of air pollution gases. Part of these systems is a set of sensors that indicate if the emission control systems are still working effectively.

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Some of these sensors are the following:

Oxygen sensor

A fixture in all vehicles since the 1980s, the oxygen sensor checks the proportional amount of oxygen in the engine system. Lack of oxygen indicates excessive emissions. This sensor is placed in high-temperature places; thus, it has a high failure rate and should be inspected from time to time.

Manifold absolute pressure (MAP) and barometric air pressure (BAP) sensor

These two sensors function similarly – they measure the atmospheric pressure of the environment wherein the car is being driven. The difference is that MAP sensor measures the pressure in the inlet manifold, while the BAP sensor determines the outside pressure. The two play an important role in gauging the best timing and fuel conditions to optimize the performance of the engine.


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Mass air flow sensor

This sensor monitors the airflow that comes with the engine, which provides the maximum amount of fuel that should enter the engine while throttling.

Vehicle service contract provider American Auto Shield offers an emissions optional coverage to safeguard the parts and sensors of the emission controls system. Visit this website for more details.







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