EGR VALVE FUNCTION AND LEAK TEST Marketdriver: The major engine manufacturers are currently developing improvements in the diesel engine to reduce Nox emissions to meet the 2010 standards. One of the many methodsistore -circulate the exhaust gas back to the input of the combustion process. A valve controls this re - circulation Testrequirement: This exhaust gas recirculation valve (EGR) must contain the gas, block the gas flow , open and close wi

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