Manuals through 2025 now available!
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LEMON is the spiritual successor to CHARM, I recommend you try it!
Link:
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lemon-manuals.org.ua
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Purpose
The
Exhaust Gas Recirculation (EGR) system is used to lower the emission levels of Oxides Of Nitrogen
(NOx) that form during the combustion process. NOx levels are based on the amount of oxygen in the combustion chamber, and the length of time that combustion temperatures exceed
1500°F. The EGR system lowers the combustion temperatures; thus lowering the level of NOx.