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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...

www.ask.com/youtube?q=Function of the EGR Valve&v=ud60NZuma-A
Dec 31, 2013 ... More technical help available: https://mercedessource.com/problems/engine/ understanding-and-testing-the-egr-valve Kent explains the ...

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 ...

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?

EGR valve - Auto Repair - About.com


The EGR valve is a crucial part of your car's emission control system. The EGR valve was an invention that made your car more efficiently burn its fuel and create  ...

EGR Cleaning - EGR Valve reconditioning DIY


If your car is running poorly, you may be having problems with your EGR valve. There are no real tests you can perform at home for EGR valve function. If you ...

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


How much does Exhaust Gas Recirculation/EGR Valve Replacement cost? ... If the vacuum hoses are cracked (leaking), the EGR valve will not function properly  ...

Exhaust Gas Recirculation (EGR), NOx and particulate ... - Cambustion


Exhaust Gas Recirculation (EGR) and NOx measurement ... The EGR valve can not respond instantly to changes in demand, and the exhaust gas takes time to ...

Understanding and Testing the EGR Valve | Engine Problem ...


This is a question we get asked almost on a weekly basis. The EGR valve serves a specific function. If not working properly, it can increase exhaust emissions, ...

egr valve function and leak test - Cincinnati Test Systems


EGR VALVE FUNCTION AND LEAK TEST. Market driver: The major engine manufacturers are currently developing improvements in the diesel engine to reduce ...

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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Faulty EGR Valve Symptoms and EGR Valve Cleaning - EnkiVillage


If your car is running poorly, it might be a sign that your EGR valve has a problem. While there is no conclusive way of testing EGR function at home, you can ...

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 ...

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.