Vehicle Injection System (MPI) Mitsubishi Carisma

Specifications and data
Specifications and data

General information about the multiport injection system (MPI)
Pic. 7.1. Location of elements of the SOHC injection system: 1 - relay of the electromagnetic clutch of the air conditioner compressor; 2 - solenoid valve purge adsorber...

Self-diagnosis function
If a malfunction occurs in the operation of one of the sensors or actuators related to exhaust gas toxicity reduction systems, the engine malfunction indicator lamp...

Engine Malfunction Indicator Lamp
If a malfunction occurs in any of the following elements of the multipoint injection system (MPI) the engine malfunction indicator lamp in the instrument cluster lights...

Cleaning the throttle body
1. Start the engine, warm it up to a coolant temperature of 80°C or higher, and then turn it off. 2. Disconnect the inlet hose from the throttle body. Pic. 7.3. Bypass...

Throttle Closed Switch and Position Sensor (TPS) Adjustment for Non-TCL Vehicles
1. Connect the MUT-II device to the diagnostic socket. Pic. 7.4. Installing a 0.65 mm thick feeler gauge between the factory idle speed adjustment screw (Fixed SAS) and...

Adjustment of the sensor-switch of the closed position of the throttle valve and the sensor of the position of the accelerator pedal of cars with the TCL system
1. Connect the MUT-II device to the diagnostic socket. Pic. 7.5. Installing a 0.5 mm thick flat feeler gauge between the accelerator lever and throttle lever: 1 -...

Throttle Lever Stop Screw Adjustment (Fixed SAS)
Attention! The Fixed SAS screw should not be touched unless absolutely necessary, the position of which is adjusted with high accuracy at the factory. Attention! If such...

Adjustment of the basic speed of the crankshaft of the engine idling
Attention! The rated idle speed is set at the factory with the idle speed screw (SAS) and usually does not require additional adjustment during operation. Attention! If...

Relieving pressure in the power system
Since the fuel line is under high pressure, before removing the fuel rail, hose, etc. perform the following operations to reduce fuel pressure and prevent fuel...

Checking the operation of the fuel pump
Check the operation of the fuel pump by forcibly turning it on using the MUT-II tool. If the fuel pump does not work, then check it according to the method below, and if...

Checking the air temperature sensor in the intake manifold
Pic. 7.10. Connector pins (1) air flow meter sensor (2) 1. Disconnect the connector from the air flow meter sensor (pic. 7.10). 2. Measure resistance between pins «5»...

Checking the coolant temperature sensor
Attention! When removing and installing the sensor, do not touch the tool to its connector (plastic part). Pic. 7.12. Location of coolant temperature sensor: A - SOHC...

Throttle Position Sensor (TPS) Test
1. Disconnect the throttle position sensor connector. Pic. 7.13. Connector Pin Arrangement (1) and throttle position sensor (2) 2. Measure resistance between pins «1»...

Checking the sensor-switch of the fully closed throttle position of cars without a TCL system
Pic. 7.13. Connector Pin Arrangement (1) and throttle position sensor (2) 1. Disconnect the throttle position sensor connector (see fig. 7.13). 2. Check the circuit...

Checking the oxygen sensor
1. Disconnect the oxygen sensor connector and connect a special tool to the connector on the sensor side (test lead harness). Pic. 7.14. Sensor Resistance Test (1)...

Nozzles — removal, inspection and installation
Injector test 1. Disconnect the connector from the injector. 2. Measure the resistance between the connector pins. The nominal value is 13-16 ohms at 20°C. 3. Connect...

Throttle housing — removal and installation
Removing Disconnect the wire from the negative battery terminal. To remove, perform the following steps in sequence. 1. Drain the coolant from the engine cooling system....

Disassembly and assembly of the throttle assembly
Vehicles without TCL system Disassembly To disassemble, perform the following steps in sequence. Pic. 7.22. Throttle housing: 1 - bolt (2 Nm); 2 - throttle position...

Fuel tank — removal and installation
Removing To remove, perform the following steps in sequence. 1. Disconnect a wire from the negative plug of the storage battery. 2. Drain the fuel from the fuel tank. 3....

Fuel filter replacement
1. Remove residual pressure in the fuel line. 2. Remove the air inlet hose. Pic. 7.29. Fuel filter location 3. Holding the fuel filter with a wrench, unscrew the bypass...

Fuel pump replacement
1. Raise the rear seat cushion. 2. Remove the protective cover. 3. Remove the residual pressure in the fuel line to prevent fuel splashing during depressurization. 4....