Fuel system of the car Mitsubishi Pajero 4

Power supply system — general information
Fuel supply system In order to improve passive safety and increase the volume of the luggage compartment, a fuel tank made of steel is installed under the floor of the...

Basic data for adjustments and control
Parameters Size Basic idle speed, rpm 700+100 Nominal output voltage of the throttle position sensor, mV 400-1000 Throttle position sensor resistance, kOhm 3,5-6,5...

Power supply system — special tools
Tool Number and name MUT-III MB991709 Wiring for testing MB991658 Wiring for testing MB991990 Quick Release Connector MB992001 Adapter MB991981 Fuel Pressure Gauge...

Cleaning the throttle body (throttle area)
1. Start the engine, warm it up to a coolant temperature of 80°C or higher, and then turn off the engine. 2. Disconnect the inlet hose from the throttle body. 3. Plug...

Checking fuel pressure
1. To prevent fuel splashing, release residual pressure from the high pressure fuel line. 2. Disconnect the high pressure fuel hose flange from the fuel manifold....

Disconnecting the fuel pump connector
Since the fuel line is under high pressure, before removing the fuel manifold, hose, etc., perform the following operations to reduce the fuel pressure and prevent fuel...

Checking the operation of the fuel pump
1. Check the operation of the fuel pump by forcibly turning it on using MUT-II. 2. If the fuel pump does not work, then check it using the method below, and if it is...

Checking the intake manifold air temperature sensor
1. Disconnect the air flow sensor connector. 2. Measure the resistance between terminals 5 and 6. Nominal value: 2.3-3.0 kOhm (at 20°C) 0.31-0.43 kOhm (at 80°C) 3....

Checking the coolant temperature sensor
Caution: When removing and installing the sensor, do not touch its connector with a tool (plastic part). 1. Remove the coolant temperature sensor. 2. Place the sensitive...

Checking the Throttle Position Sensor (TPS)
1. Disconnect the throttle position sensor connector. 2. Measure the resistance between terminals 1 and 4 of the connector on the sensor side. Nominal value 3.5-6.5 kOhm...

Checking the fully closed throttle position switch
1. Disconnect the throttle position sensor connector. 2. Check the circuit between terminals 3 and 4 of the connector on the throttle position sensor side. Good...

Checking the oxygen sensor
Front oxygen sensor 1. Disconnect the oxygen sensor connector and connect a special tool to the connector on the sensor side (test lead harness). 2. Check that the...

Rear oxygen sensor
1. Disconnect the oxygen sensor connector and connect a special tool to the connector on the sensor side (test lead harness). 2. Check that the circuit between terminal...

Checking the injector
Change in resistance between terminals 1. Disconnect the connector from the injector. 2. Measure the resistance between the terminals. Nominal value: 13-16 Ohm (at 20°C)...

Fuel injector
Removal the fuel injector 1. Reduce the fuel pressure in the fuel system. 2. Remove the expansion tank. 3. Disconnect the high pressure fuel hose connection (1). 4....

Throttle body
Removal the throttle body 1. Drain the coolant. 2. Remove the air inlet hose. 3. Disconnect the throttle position sensor connector (1). 4. Remove the cooling system hose...

Fuel injectors and fuel rail
Removal fuel injectors and fuel rail 1. Remove the main battery and battery tray. 2. Remove the engine cover. 3. Remove the ventilation hose (1). 4. Remove the fuel hose...

High pressure fuel pump
Removal the high pressure fuel pump 1. Remove the main battery and battery tray. 2. Remove the engine cover. 3. Remove the vacuum pump. 4. Remove the intake manifold. 5....

Fuel tank
Removal the fuel tank 1. Reduce the fuel pressure in the fuel system. 2. Drain the fuel. 3. Remove the central gearbox mounting crossbar. 4. Remove the fuel tank bottom...

Fuel pump
Removal the fuel pump 1. Relieve fuel pressure in fuel hoses and pipes (gasoline engines). 2. Remove the fuel pump bracket (1). 3. Remove the fuel pump cushion (2). 4....

Fuel filter
Removal the fuel filter 1. Relieve fuel pressure in fuel hoses and pipes (gasoline engines). 2. Remove the engine cover. 3. Remove the main battery and battery tray. 4....

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Pajero 4 (2006-2021)

Pajero 1 and 2 (1982-1999)