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EGR Valve

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The Exhaust Gas Recirculation (EGR) Valve is an integral part of a vehicle's emission control system or EGR System. It controls the engine's emission of nitrous oxides by reducing combustion temperature. Nitrous oxide, also called laughing gas for its euphoric effects, is formed when the fuel is burning at over 2,500 degrees Fahrenheit. At this combustion temperature, nitrogen in the air mix with other gases to form this gas which is capable of altering a person's bone marrow structure in only 3-4 hours of exposure to it.
When released into the atmosphere, nitrous oxide reacts with oxygen and becomes nitrogen dioxide. The latter in turn becomes smog when it comes into contact with hydrocarbons.
The EGR valve first appeared in automobiles in 1972 to counter this phenomenon. EGR valves basically do this by sending some of the exhaust gas through the intake manifold back into the cylinders. Because exhaust gas most often doesn't burn, it stays and takes up space in the combustion chamber and lowers the temperature there. Older vehicles used to have mechanical engine EGR valves, but the newly manufactured ones have electronic EGR valves.
However, the function of EGR valves remains the same, whether they be mechanical or electronic. An EGR system usually doesn't require regular maintenance, but it should nevertheless be checked so as to ensure that you are always complying with emission standards. A malfunctioning EGR valve could also damage your engine if not repaired right away.

EGR Valve Articles

  • Important Facts You Need to Know About EGR Valve

    Want to have better fuel efficiency for your ride? You don't need any magic to do it, because all it takes is a quality EGR valve.
    Help your car engine, save the world/ Okay, that line might sound exaggerated, but it really does make sense. In a little way, you can do something positive for our environment with a properly working Exhaust Gas Recirculating (EGR) Valve in your engine.
    tems of a vehicle. It works by sucking some of the exhaust to the intake manifold and back into the combustion chamber. The exhaust gas then runs through the combustion again where traces of unburned fuel can now be used up. Aside from that, this valve enables your vehicle to burn fuel more effectively because exhaust gas is warmer than the air from the air intake. Warmer gas won't make the engine work harder to heat it up, thus making combustion easier. This part therefore plays a very important role by reducing unwanted engine emissions while, at the same time, facilitating a more complete burn of fuel.
    When this valve acts up, this may result in an inefficient combustion and vacuum leak. And since the fuel isn't burned efficiently, this may lead to more fuel consumption. So when that happens, make sure to have your EGR valve cleaned and possibly replaced. After all, wouldn't you want your car to perform well and help save the world at the same time?

  • EGR Valve: Just the Facts

    Despite laws enforcing the mandatory use of automotive emission-control devices, automobiles are still among the top contributors of air pollution. To reduce your carbon footprint, one thing you can easily do is keep your vehicle's exhaust gas recirculation (EGR) valve in good shape. This valve sends a small, metered amount of exhaust gases back into the engine's cylinders, effectively lowering combustion temperature. And a lower combustion temperature, in turn, is essential in preventing the production of nitrogen oxide. This compound, when mixed with various elements in the atmosphere, forms smog. So just by making sure your vehicle's EGR valve works reliably, you can count on your vehicle emitting a lower amount of ecologically harmful gases. You get to do your share for the environment, too. If you're looking to get a new EGR valve for your vehicle, trust no one but Auto Parts Deal. We can give you the best EGR valves in the market, at the lowest prices online.

    • Lowers fuel combustion temperature to hamper nitrogen oxide production

    • Reduces the toxicity and amount of your vehicle's emissions

    • Ensures universal fit