What Is an EGR Sensor
Saturday, May 17, 2014 | Labels: an, egr, is, sensor, what | |
The EGR sensor is an automotive engine component designed to work with an exhaust gas recirculation system. Exhaust gas recirculation systems are part of many newer makes of automobiles, which must comply to more stringent environmental standards. The EGR sensor detects temperature and oxygen levels and determines whether the system is functioning properly.
Benefits
An EGR system offers two primary benefits to an automobile engine. The primary benefit is a reduced level of environmentally damaging emissions. The second benefit is a more efficient use of fuel, leading to better energy efficiency and more thorough combustion.
How EGR Systems Improve Engine Systems
An automotive engine without an EGR system releases gaseous emissions with hydrocarbon waste that has not been fully consumed by the combustion process. An EGR system recycles this partially combusted waste gas back into the combustion system to be used a second time for an overall cleaner emission.
EGR Sensor Warning
An EGR sensor fault warning on the vehicles indicator panel can indicate either that the sensor itself is damaged or that the exhaust gas recirculation system is not functioning within factory designated parameters. The best way to tell the difference between the two potential problems is to take the vehicle in for maintenance and have the sensor replaced.
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