Toyota Land Cruiser

FJ60, FJ62 and FJ80 1980-1997 of release

Repair and car operation



Toyota Land Cruiser
+ 1. The maintenance instruction
+ 2. Maintenance service
+ 3. Engines
+ 4. Systems of cooling, heating
- 5. Fuel and exhaust systems
   + 5.1. Carburettor engines
   - 5.2. Engines with fuel injection
      5.2.1. Technical characteristics
      5.2.2. Декомпрессия fuel system
      + 5.2.3. The fuel pump and pressure of fuel
      5.2.4. Gasoline pipe lines and joints
      5.2.5. The fuel pump
      5.2.6. The gauge of level of fuel
      5.2.7. The air filter
      5.2.8. A cable of a drive throttle заслонки
      + 5.2.9. System of electronic injection of fuel (EFI-system)
+ 6. System of decrease in toxicity
+ 7. Transmission
+ 8. Brake system
+ 9. Suspension brackets and a steering
+ 10. A body
+ 11. An electric equipment
+ 12. Electroschemes



5.2. Engines with fuel injection
THE GENERAL DATA

Into structure of fuel system enter:

  – A fuel tank;
  – The electric fuel pump (it is mounted in a tank);
  – The main relay of system of injection and the relay of the fuel pump;
  – Atomizers;
  – A regulator of pressure of fuel;
  – The air filter;
  – The case throttle заслонки.

Cars with the engine 3F-E are equipped 1988-92 by system of electronic injection of fuel (EFI-system).

Cars since 1993 with the engine 1FZ-FE are equipped by advanced system of direct injection. The injection system on later models differs little changes of systems of regulation of pressure and monitoring of the expense of air.

SYSTEM OF ELECTRONIC INJECTION OF FUEL

In system of direct injection fuel is entered into each cylinder through atomizers. Injection system the processor block (block ECM) which sets duration of impulses (quantity of fuel) in reply to operates signalling from various gauges of the engine. The quantity of air in a gas mixture is set throttle заслонкой. Pressure of fuel is regulated by means of the vacuum distributive valve (VSV-valve). On the heated-up engine the valve reduces pressure of fuel at start and impoverishes a mix. On late models management of the VSV-valve обеспечиваетсяпроцессорным the block, on early models – the special monitoring system of start-up of the heated-up engine (system High Temperature Line-Up Pressure).

THE FUEL PUMP AND HIGHWAYS

Fuel circulation is provided with the electropump through pair steel tubes. Return of the evaporated fuel to a tank is provided with catching system through a separate tube. The pump works at receipt of basic impulses from the ignition block on the processor block. In the absence of these impulses the pump is disconnected after 2–3 seconds

EXHAUST SYSTEM

The system structure in addition includes the gauge of oxygen and 3-componental neutralizer which concerns system of clearing of the fulfilled gases and is built in in an exhaust pipe for the purpose of decrease in toxicity of emissions.








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