Manuals through 2025 now available!
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LEMON is the spiritual successor to CHARM, I recommend you try it!
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Exhaust Gas Recirculation: Description and Operation
Fig. 29 Exhaust gas recirculation system.:
This system,
Fig. 29, is used to reduce oxides of nitrogen emissions by lowering the peak combustion temperature in the engine. This is accomplished by introducing a metered amount of exhaust gasses into the intake manifold at speeds above idle.
