Car fuel injection Mitsubishi Lancer 3 and 5

Fuel injection device
Gasoline engines with a power of 84 to 136 hp have an injection device with electronic control. The injection system is regulated by an electronic control unit, which...

MPI (Multi-Point Injection) Fuel Injection Device
The MPI injection device is an electronic fuel injection device that injects fuel depending on the engine operating mode into the intake pipe directly before the intake...

Safety instructions for working with the fuel injection device
Start the engine only with the battery terminals tightly tightened. Do not use any quick chargers instead of the battery to start the engine. When quickly charging the...

Relieving pressure in the fuel system
The fuel lines of the injection device are under high pressure even after the engine has stopped. Therefore, when performing work that requires opening elements of the...

Checking the idle mode
Warm up the engine to operating temperature (coolant temperature 80°-90°C). Turn off the engine. Turn off all energy consumers. Set the gearbox to neutral, apply the...

Querying failure memory
If there is a defect in the MPI injection device, a warning lamp lights up on the dashboard. At the same time, the control unit switches to emergency mode and stores the...

Injection device fault codes
The codes are listed in ascending order.

Checking Fuel Injection Device Sensors — Air Mass Meter
A properly composed air-fuel mixture is obtained based on information from many sensors (sensitive elements). This section provides a brief description of some of them,...

Intake Air Temperature Sensor — Check
The intake air temperature sensor is located on the air mass meter. It is a resistor that changes its value depending on the intake air temperature (thermistor). Due to...

Air pressure sensor — check
The air pressure sensor is located on the air mass meter. If engine performance deteriorates at high altitudes (starting from about 1000 m above sea level), you can...

Coolant Temperature Sensor — Check
The coolant temperature sensor is mounted on the thermostat housing. The sensor's resistance decreases as the coolant temperature increases. If the sensor fails, the...

Throttle Position Sensor — Check
The throttle position sensor is mounted on the throttle axis and transmits information about the throttle position to the engine control unit. The sensor consists of a...

Idle Speed Switch Sensor — Check
The idle speed sensor is located on the idle speed regulator. The throttle lever is pressed against the idle speed sensor switch when the pedal is not pressed. The...

Mounting Motor Position Sensor — Check
The position sensor of the installation motor is a variable resistance (potentiometer) and transmits information about the position of the idle speed regulator to the...

TDC sensor — check
The TDC sensor is located on the distributor and sends a pulse signal to the control unit as soon as the piston of cylinder 1 reaches the TDC ignition position. If the...

Crankshaft Position Sensor — Check
The crankshaft position sensor is located in the distributor, and on DOHC engines it is located instead of the distributor. It determines the piston position (crankshaft...

Vehicle Speed Sensor — Check
The vehicle speed sensor is located in the tachometer on the dashboard. If the sensor is defective, the engine stalls when the vehicle stops.

Power Steering Pressure Switch Sensor — Check
The sensor is fixed to the steering gearbox. When the power steering is operating, the sensor sends a signal to the engine control unit, according to which the engine is...

Checking the control relay
The MPI control relay is located at the rear of the center console. When the ignition is turned on, it supplies power to the control unit. 1.5L engine Remove the relay....

Checking the fuel pump
The fuel pump is located in the fuel tank. It is not necessary to remove the fuel pump to check its operation. The fuel pump's performance should be checked if the...

Diagnostics of faults of the fuel injection device
In order for the defects to be localized according to the table below, the following conditions must be met: there must be no errors when starting the engine. For both a...

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Similar materials for other Mitsubishi models

➤ Gasoline engines: Injection system MPI Mitsubishi Colt 5 (1995-2003, petrol)
➤ Power unit: Fuel injection system (MPI) Mitsubishi Outlander 1 (2003-2008)

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Lancer 9 (2000-2007, petrol)