Air Injection System (1988 and Earlier Models) (Mitsubishi Colt 2)

5.1 The injection valve (indicated by the arrow) admits a very rarefied mixture into the combustion chamber

1. Fuel mixture; 2. Fuel intake stroke

1. In addition to the intake and exhaust valves, each cylinder has a small injection valve (5.1), which injects a very rarefied mixture into the combustion chamber, which creates swirls and improves fuel combustion.

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This article was reviewed by: Arseny Pavlov

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Colt 2 and 3: Emission reduction

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Intake air temperature control system (with carburetor)
Fuel vapor collection system
General information about emission control systems

Exhaust gas recirculation system
Additional air supply system
Catalytic converter
Devices used when reducing engine speed
Fuel mixture control valves (with carburetor)

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