Fuel injection system MPI Mitsubishi Colt 5 (CJ)

Technical and service data of the MPI injection system
The technical data of the MPI injection system are given in table 8.1 and the service data in table 8.2. Table 8.1. Technical data of the MPI injection system Table 8.2....

Diagnostic codes and data to check for failed items
Diagnostic codes are given in table 8.3, and data for checking faulty elements - in table 8.4. Table 8.3. 4G1 engine diagnostic codes Code Faulty element 11 lambda...

Checking the engine control unit
1. Connect thin wire (for wire harness: MB991223 or paper clip) to the voltmeter probe (pic. 8.1). Pic. 8.1. Checking the engine control unit 2. Plug a thin wire from...

Checking resistance and continuity between ECM terminals
1. Set the ignition key to position «ON». 2. Disconnect the control unit connector. The engine control unit from the wiring side is shown in fig. 8.3. Pic. 8.3. Engine...

Idle speed sensor and throttle position sensor adjustment
1. Connect MUT II to the diagnostic socket. 2. Insert a 0.45mm feeler gauge between the SAS bolt and throttle lever (pic. 8.4). Pic. 8.4. Insert a 0.45mm feeler gauge...

Setting the idle speed
Attention! The standard idle speed is factory set by adjusting the SAS set bolt. Usually no installation is required. If the setting was mistakenly knocked down, set as...

Fuel pressure check
1. Relieve any residual pressure in the system to prevent fuel leakage. 2. Disconnect the pipeline from the high pressure fuel hose (pic. 8.8). Pic. 8.8. Disconnect the...

Checking the electrical conductivity of the control relay and fuel pump relay
The relay of management and the relay of the fuel pump are shown on fig. 8.14. Checking the electrical conductivity is given in table. 8.9 Pic. 8.14. Checking the...

Checking the intake air temperature sensor
1. Disconnect the connector from the intake air temperature sensor. 2. Measure the resistance between terminals 1 and 2 (pic. 8.15). Normal value: 2.3-3.0 kΩ at 20°C;...

Checking the coolant temperature sensor
Attention! When removing and installing the sensor, do not touch its plastic part. 1. Remove the sensor and disconnect the wiring connector from it (pic. 8.17). Pic....

Throttle position sensor
Examination 1. Disconnect the connector from the throttle position sensor (pic. 8.20a). Pic. 8.20a. Disconnect the connector from the throttle position sensor 2. Measure...

Checking the idle speed sensor
1. Disconnect the connector from the throttle position sensor (pic. 8.21). Pic. 8.21. Disconnect the connector from the throttle position sensor and check the continuity...

Fuel injector test
Measuring the resistance between the injector terminals 1. Disconnect the connector from the injector (pic. 8.22). Pic. 8.22. Voltage measurement between injector...