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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Emission Control Systems: Description and Operation
The emission system consists of the following:
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Catalytic converter and exhaust system.
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Evaporative emission (EVAP) control system.
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Exhaust gas recirculation (EGR) system.
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Positive Crankcase Ventilation (PCV) system.