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

General description of the Aisan carburetor
Aisan's closed-loop carburetor provides forced air-fuel ratio control to minimize fouling. Electronic control unit (EBV) receives signals from various sensors and then...

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

Ignition timing system
Scheme of the ignition timing control system 1 - ignition lock; 2 - engine speed sensor; 3 - coolant temperature sensor; 4 - solenoid valve for regulating the ignition...

Idle mode — check and adjust
Verification conditions: Engine coolant temperature 80-90°C. Additional equipment must be turned off. Set the selector lever of the automatic transmission to the...

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

CO concentration — adjustment
Check hole B. If the safety seal is in place, proceed as follows (see fig. MCC06 006). Remove the carburetor and place it in a vise with the fuel mixture adjustment...

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

Throttle damper — adjustment
After starting the engine, set the engine to idle. Rotate the throttle lever so that the damper rod extends to its full length (released lever (A), and touched the screw...

Throttle position sensor — adjustment
CAUTION: This operation requires an accurate digital voltmeter and a special connector. Loosen the throttle cable. Turn the idle speed screw fully out, counting the...

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

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

High idle speed — check and adjustment
Disconnect vacuum hose from choke diaphragm assembly ( rice. MCC06.013 ). Set lever (A)... ...to the highest stage of the high idle cam (IN). Start the engine and check...

Carburetor Troubleshooting
Carburetor Troubleshooting