General information about emission control systems (Mitsubishi Colt 2)

To prevent pollution of the atmosphere by unburned exhaust gases and to save fuel, the following systems are installed on the vehicle:

• Crankcase ventilation system
• Fuel vapor collection system
• Incoming air temperature control system
• Air injection system
• Exhaust gas recirculation system
• Additional air supply system
• Catalytic converter
• Engine speed reduction devices

Crankcase ventilation system

This system reduces hydrocarbon emissions into the atmosphere by collecting crankcase gases and releasing them into the intake manifold through the ventilation valve. The main elements of the system are the ventilation valve, the air intake pipe with the air filter and the connecting hoses.

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