Check, adjustment, repair of the carburetor Mitsubishi Colt 4 and 5

General description of the Aisan carburetor
The Aisan closed-loop carburetor provides positive control of the air-fuel ratio with maximum pollution reduction. The electronic control unit (ECU) receives signals...

Troubleshooting Tips
When checking and troubleshooting engine problems, it is important to start by checking the condition of the main systems. If one of the following problems occurs - the...

Ignition Timing Control System
Spark advance control system diagram 1 - ignition switch; 2 - engine speed sensor; 3 - coolant temperature sensor; 4 - electromagnetic valve for ignition timing control;...

Idle mode — checking and adjustment
Verification conditions: Engine coolant temperature 80-90°C. Additional equipment must be turned off. Place the automatic transmission selector lever in position "P"....

Feedback on idle code — check
Press the gas pedal once to reset the high idle speed mode. Start the engine and set it to idle speed. Disconnect the vacuum hose from the second air valve and plug the...

CO concentration — regulation
Check hole B. If the safety seal is in place, perform the following operations (see figure MCC06 006). Remove the carburetor and clamp it in a vice with the fuel mixture...

Throttle opening mechanism — checking and adjustment
After starting the engine, set the engine to idle mode. Turn on the headlights. Let the engine run for a few seconds at 2000 rpm and then return to idle. The engine...

Throttle Damper — Adjustment
After starting the engine, set the engine to idle mode. Turn the throttle lever so that the damper rod extends to its full length (released lever (A) and touches the...

Throttle Position Sensor — Adjustment
CAUTION: This operation requires an accurate digital voltmeter and a special connector. Loosen the throttle cable. Turn the idle speed adjustment screw all the way out...

Second throttle valve — check
Remove the air filter. Disconnect the throttle actuator diaphragm assembly vacuum hose (A) from the carburetor body and connect a vacuum pump to it. Create a vacuum of...

Automatic air damper — check
Remove the air filter and move the air damper by hand, it should move smoothly and without play, if there is play, replace the carburetor cover assembly. If it does not...

High idle speed — check and reheat
Disconnect the vacuum hose from the choke diaphragm assembly ( drawing МЦК06.013 ). Install the lever (A)... ...to the highest step of the high idle speed cam (B). Start...

Carburetor fault diagnostics
Carburetor fault diagnostics

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Similar materials for other Mitsubishi models

➤ Power unit: Carburetor Mitsubishi Lancer 3 and 5 (1984-1992)

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