Fuel injection system Toyota Land Cruiser 60/80

Fuel Injected Engines — General Information
The fuel system consists of: fuel tank; electric fuel pump (mounted inside the tank); main injection system relay and fuel pump relay; injectors; fuel pressure regulator; air filter; throttle body. 1988-92 cars with...

Technical characteristics of the fuel injection system
Fuel pressure Ignition on, engine not running 2.5 – 3.0 kgf/cm² Engine idling, pressure regulator vacuum hose disconnected 2.5 – 2.9 kgf/cm² Engine idling, pressure regulator vacuum hose connected 2.1 – 2.4 kgf/cm² Fuel...

Decompression of the fuel system
Attention! When performing work on any part of the fuel system, observe fire safety regulations. 1. Before repairing any part of the fuel system, it is necessary to relieve the fuel pressure to avoid fire and injury to...

Fuel Pump and Fuel Pressure — Checking
Fuel Pump Power Circuit Parts (1988-90.) 1. Main relay of the injection system; 2. Liquid temperature contact sensor; 3. Starting nozzle; 4. Diagnostic connector; 5. Processor unit; 7. Fuel pump relay; 8, 9. Oxygen...

Checking the fuel pressure regulator
1. Disconnect and plug the fuel pressure regulator vacuum hose. Connect a hand vacuum pump to the regulator. Start the engine and read the fuel pressure without a vacuum on the regulator. Create a vacuum in the...

Main injection relay and fuel pump relay
Checking the main relay (1988-89.) 1, 2, 3, 4. Contacts Checking the main relay (after 1990.) 1, 2, 3, 4. Contacts Checking the fuel pump relay 1. Fuel pump relay 2. Popliteal 3. Sidewall 1. There are two relays in the...

Fuel lines and joints — checking and replacing
Examination 1. When performing any work under the vehicle, always check the condition of the fuel lines, all joints and connections. 2. Check the hoses and tubes for cracks, kinks, and deformations. 3. Make sure that...

Fuel pump — removal and installation
Removal 1. Perform decompression. 2. Disconnect the battery from ground. 3. Remove the fuel tank (on cars of 1988-90.) 4. On vehicles produced since 1991, remove the middle seat and hatch. 5. Disconnect the connector...

Fuel level sensor — checking and replacement
Examination 1. Before checking the fuel level sensor, fill the tank completely with gasoline. 2. On 1988-90 vehicles, locate the connector located next to the gas tank; on 1991 and later vehicles, remove the rear seat...

Air filter — removal and installation
Removal 1. Disengage the latches and remove the air cleaner cover and filter element. 2. Disconnect the air intake hose. 3. Unscrew the bolts (indicated by arrows) and remove the air filter housing. Installation...

Throttle Cable — Removal and Installation
Removal 1. Disconnect the battery from ground. 2. Loosen the locknuts of the cable end on the valve body. 3. Turn the throttle lever and remove the cable by threading it through the slot in the lever. 4. Disconnect the...

Electronic Fuel Injection System (EFI system)
Electronic fuel injection system for 1988-92 vehicles. 1. Fuel pressure regulator; 2. Vacuum regulator valve; 3. Vacuum recirculation valve; 4. Modulating recirculation valve; 5. Main recirculation valve; 6. Temperature...

Checking the electronic fuel injection system
1. Check all ground connections for tightness. Check the wiring and connectors of the system. Loose electrical connections and poor ground contact can be the cause of many faults that are often perceived as engine...

Throttle Body — Checking and Replacing
Throttle Body Vacuum Test Table (1988-92.) Channel designation At idle Not idling EGR No vacuum There is a vacuum R No vacuum There is a vacuum Throttle Body Vacuum Test Chart (1993 and later) Channel designation At...

Throttle Angle Sensor — Check
Throttle Position Sensor Test Chart (1988-92.) Clearance between lever and throttle screw Pairs of pins Resistance 0 mm VTA-E2 0.3 – 6.3 kOhm 0.50 mm IDL-V2 < 2.3 kOhm 0.75 mm IDL-V2 infinity The damper is fully open...

Fuel Pressure Regulator — Checking and Replacing
Examination Description of the procedure for checking the pump and fuel pressure (see subsection 5.2.3 ). Pressure regulator on cars of 1988-92. 1. Vacuum hose; 2. Return fuel line; 3. Pressure regulator Disconnect the...

Idle Speed Control Valve — Checking and Replacing
Idle speed control valve (ISC valve, on cars 1988-92.) or idle air control valve (IAC valve, on cars since 1993.). Attention! The engine idle speed is set by the manufacturer and does not require adjustment under normal...

Fuel distributor and injectors — removal, inspection and installation
Examination Perform injection system checks (see subsection 5.2.9.1 ). Replacement 1. Perform decompression. 2. Disconnect the battery from ground. 3. Disconnect the crankcase ventilation hose from the cylinder head and...

Surge chamber — removal and installation
Removal Attention! Work is performed on a cold engine. 1. Disconnect the battery from ground. 2. Disconnect all connectors from the camera. 3. Disconnect the throttle cable and transmission linkage. 4. Remove the oil...

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