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Exhaust gas recirculation - Wikipedia

en.wikipedia.org/wiki/Exhaust_gas_recirculation

In internal combustion engines, exhaust gas recirculation (EGR) is a nitrogen oxide (NOx) ... By 1973, an EGR valve controlled by manifold vacuum opened or closed to admit exhaust to the intake trac...

How Do You Identify Problems Associated With The EGR Valve ...

pacbrake.com/how-do-you-identify-problems-associated-with-the-egr-valve/

Jul 12, 2014 ... The EGR, or Exhaust Gas Recirculation system, is one of the most ... Making sure that the valve is in optimal condition is essential to the truck's function. As a truck owner, it's important that you keep the EGR valve in good ...

www.ask.com/youtube?q=Function of the EGR Valve&v=ud60NZuma-A
Dec 31, 2013 ... More technical help available: https://mercedessource.com/problems/e... Kent explains the function of an EGR valve and how to test one using ...

What is the function of an EGR valve? | Reference.com

www.reference.com/vehicles/function-egr-valve-9a2bcc99cfecdfe3

An EGR valve helps to improve the performance and economy of a vehicle while reducing emissions by directing exhaust gases back into the cylinders of the ...

What an EGR Valve Does: Its Function Symptoms

www.freeasestudyguides.com/egr-valve-symptoms.html

The EGR valve symptoms include an open EGR valve causing a misfire or a closed EGR valve causing ping. What is an EGR valve and what does it do?

Symptoms of a Bad EGR Valve | AxleAddict

axleaddict.com/auto-repair/Bad-EGR-Valve-Symptoms-and-What-to-Do-About-Them

Oct 27, 2015 ... Recognizing symptoms of a bad EGR valve will help you troubleshoot potential problems sooner and restore engine performance faster.

How Does an EGR Valve Work - AGCO Automotive

www.agcoauto.com/content/news/p2_articleid/207

Most early EGR valves were vacuum-operated. A vacuum diaphragm opened and closed a valve, allowing and cutting off exhaust flow. An early refinement was ...

EGR Valve Function - Restore An Old Car

www.restore-an-old-car.com/egr-valve-function.html

Although an EGR valve is the most effective method of controlling oxides of nitrogen, by design it adversely affects engine performance. Your classic car engine ...

exhaust gas recirculation (EGR) valve - AA1Car.com

www.aa1car.com/library/egr.htm

When the engine is idling, the EGR valve is closed and there is no EGR flow into ... that the control function occurs when backpressure goes down instead of up.

Faulty EGR Valve Symptoms and EGR Valve Cleaning - EnkiVillage

www.enkivillage.com/egr-valve.html

If not, learn how to clean EGR valve in 7 steps. ... An EGR (Exhaust Gas Recirculation) valve is very important for the exhaust system in a vehicle. ... While there is no conclusive way of testing EGR function at home, you can always remove and ...