Fuel injection system GDI Mitsubishi Colt 4 and 5

General description of the GDI fuel injection system
Fuel injection system diagram (GDI) 1 - front oxygen sensor; 2 - rear oxygen sensor; 3 - air flow sensor; 4 - intake manifold air temperature sensor; 3 - to the throttle...

Relieving pressure in the fuel system
When working on removing fuel system components, it is necessary to first relieve the fuel pressure in the fuel line. To do this: Remove the rear seat. Remove the...

Low pressure fuel pump — check
The operation of the low-pressure fuel pump is checked using a special tester by forcibly turning on the pump. If the fuel pump does not work, check it by performing the...

Throttle Body — Checking and Cleaning
After starting the engine, warm it up to operating temperature, and then turn it off. Disconnect the inlet hose from the throttle body. Spray the cleaner inside the...

Checking low fuel pressure between low pressure and high pressure fuel pumps
Relieve fuel pressure in the fuel line. Disconnect the high pressure fuel hose (1) from the fuel pump. Disconnect the coupling and bypass bolt from the hose and connect...

Checking the fuel pressure between the high pressure fuel pump and the injectors
Make sure the fuel pressure between the low pressure pump and the high pressure fuel pump is normal. Connect the tester to the diagnostic connector. After disconnecting...

Fuel system tightness — check
Connect the tester to the diagnostic connector. Disconnect the intermediate injector connector. Turn the ignition key to the ON position. Select the required item from...

Throttle Position Sensor — Adjustment
Connect the tester to the diagnostic connector. Turn the ignition key to the ON position, but do not start the engine. While holding the throttle valve with your finger...

Gas pedal position sensor — adjustment
The gas pedal position sensor is installed at the factory and generally does not require adjustment. For extreme adjustment, the following operations must be performed:...

High pressure fuel pump — removal and installation
High pressure fuel pump mounting elements 1 - high pressure fuel pump; 2 - fuel return hose; 3 - gasket; 4 - O-ring seal; 5 - connection of fuel return hoses; 6 - ring;...

Injectors — removal and installation
Injector mounting elements 1 - nozzle; 1a - gasket; 1b - profile washer; 1v - nozzle; 1g - ring; 1d - O-ring seal; 1st - ring; 2 - fuel manifold; 3 - insulator; 4 - fuel...

Throttle Body — Repair (1999 and later models)
Throttle body mounting elements for models produced since 1999 1 - throttle position sensor connector; 2 - throttle body; 3 - gasket; 4 - throttle servo connector; 3 -...

Throttle Body — Repair (2001 and later models)
2001 Model Throttle Body Mounting Parts 1 - gasket; 2 - idle speed control servo connector; 3 - throttle body; 4, 3, 9 - cooling system hose; 6 - high pressure fuel...

Throttle Controller — Removal and Installation
Throttle controller mounting elements 1 - Throttle control servo relay connector; 2 - Throttle control servo relay; 3 - throttle controller connector; 4 - throttle...

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