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International Automotive Technicians Network
Re: Teaching a young technician the theory of exhaust gas recirc
Posted to Educators Forum on 7/30/2017 1 Reply

an EGR valve is a calibrated INERT GAS LEAK ( not a vacuum leak ) that when open and flowing inducts EXHAUST GAS into the engine .

this LOWERS the overall amount of combustible gases in the engine .

this EFFECTIVELY REDUCES "engine volume" and reduces PUMP... Login to read more.

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