Vehicle Emissions Reduction Mitsubishi Colt 2 and 3

General information about emission control systems
To prevent pollution of the atmosphere by unburned exhaust gases and save fuel, the following systems are installed on the car: Crankcase ventilation system Fuel vapor...

Fuel vapor collection system
3.1a Elements of the fuel vapor collection system for models with a carburetor engine 1. Air filter; 2. Ventilation valve of the float chamber; 3. To the temperature...

Intake air temperature control system (with carburetor)
4.1 Intake air temperature control system: when the engine is cold, the choke is open and hot air from the exhaust manifold enters the carburetor 1. Vacuum diaphragm; 2....

Air injection system (1988 and earlier models)
5.1 Injection valve (indicated by an arrow) lets a very rarefied mixture into the combustion chamber 1. Fuel mixture; 2. Fuel intake stroke 1. In addition to the intake...

Exhaust gas recirculation system
1. The system is used to reduce the content of nitrogen oxide in exhaust gases. It collects some of the exhaust gases from the exhaust manifold and sends them to the...

Additional air supply system
7.1 Elements of the auxiliary air supply system 1. Solenoid valve; 2. Electronic control unit; 3. Engine speed sensor; 4. Coolant temperature sensor; 5. Switch in the...

Catalytic converter
8.1 Some models have two catalytic converters, other models only one 1. Front catalytic converter; 2. Rear converter 1. The catalytic converter is installed in the...

Devices used when reducing engine speed
System for increasing the ignition timing when the engine speed is reduced 1. To increase the ignition timing when the engine speed is reduced, a vacuum corrector...

Fuel mixture control valves (with carburetor)
Cordia/Tredia (1984-1986), Colt, Lancer, Mirage (1985) and Precis (1987) Fuel cut-off valve 13.1a Carburetor engine feedback system - early models 1. Damper; 2....

Fast idle system (with carburetor)
System for increasing the idle speed when turning on the electrical equipment or the hydraulic power steering system 11.1 Elements of the system for increasing the speed...

Low atmospheric pressure compensation system
Models with a carburetor engine 1. The system consists of a compensation valve, a vacuum valve, a control valve and a distributor with a vacuum corrector. 2. To...

Electronic engine management system
13.1a Carburetor engine feedback system - early models 1. Damper; 2. Diaphragm fast idle system; 3. The solenoid valve of the fast idle system; 4. For models with...