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Exhaust gas recirculation - Wikipedia


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 ...


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 ...

Faulty EGR Valve Symptoms and EGR Valve Cleaning - EnkiVillage


If not, learn how to clean EGR valve in 7 steps. ... While there is no conclusive way of testing EGR function at home, you can always remove and shake it.

Exhaust Gas Recirculation/EGR Valve Replacement Service & Cost ...


Exhaust Gas Recirculation/EGR Valve Replacement costs between ... If the vacuum hoses are cracked (leaking), the EGR valve will not function properly.

What Are the Functions of the EGR Valve? | eHow


The exhaust gas recirculation valve (EGR) is perhaps one of the most misunderstood parts found under the hood of a modern automobile. Designed to help ...

How Does an EGR Valve Work - AGCO Automotive


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 ...

exhaust gas recirculation (EGR) valve - Auto Diagnosis Repair Help


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.

EGR valve - Auto Repair - About.com


The EGR valve is a crucial part of your car's emission control system. Find out what it does and when to replace or repair it.

Exhaust gas recirculation - my-cardictionary.com


Function. Exhaust gas recirculation (EGR) is a tried and tested method of ... with an electric changeover valve, the EGR valve simply has an open/close function.

What Are the Functions of the EGR Valve?
The exhaust gas recirculation valve (EGR) is perhaps one of the most misunderstood parts found under the hood of a modern automobile. Designed to help control pollution it, along with the PCV valve, has been instrumental in cleaning up the air in and... More »
Difficulty: Easy
Source: www.ehow.com
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What is the function of an EGR valve? | Reference.com


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 ...

Symptoms of a Bad EGR Valve | AxleAddict


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

What an EGR Valve Does: Its Function Symptoms


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?