Toyota 4 Runner/Hilux/Surf

1987-1998 of release

Repair and operation of the car

Toyota 4ranner
+ 1. Maintenance instruction
+ 2. Maintenance
+ 3. Engines
+ 4. Systems of heating, ventilation
- 5. Fuel and exhaust systems
   5.1. Specifications
   5.2. Order of a decompression of fuel system
   + 5.3. Fuel pump and pressure of fuel
   5.4. Hoses and connections
   5.5. Fuel tank
   5.6. Fuel pump
   5.7. Fuel level sensor
   5.8. Air filter
   5.9. Cable of a butterfly valve
   - 5.10. System of electronic injection of fuel (EFI system)
      5.10.1. Check of EFI system
   + 5.11. Units of system of injection of fuel
   5.12. Service of an exhaust system
   + 5.13. System of decrease in toxicity of exhaust gases
+ 6. Transmissions
+ 7. Transmission elements
+ 8. Brake system
+ 9. Suspension bracket and steering
+ 10. Body
+ 11. Electric equipment
+ 12. Electroschemes

5.10.1. Check of EFI system

1. Check reliability of all connections with weight. Check conducting and sockets of system. Weakening of electric connections and bad contact with weight can be the cause of many malfunctions which are observed as serious refusals.
2. Check battery zaryazhennost degree. Normal operation of sensors and actuation mechanisms of a dosage of fuel depends on supply voltage.
3. Check a condition of the air filter.
4. If the fused safety lock is found, replace it and check work of the corresponding chain. If the safety lock fuses again, find the wire closed on weight in conducting.
5. Check tightness of the channel of an air duct.
6. Remove an air duct from the gate case and check existence of resinous deposits and a deposit.
7. On the working engine apply a stethoscope (or a screw-driver) to each of nozzles and listen to the characteristic clicks indicating normal work of nozzles.
8. If necessary it is possible to use the light indicator.
9. Check resistance of each nozzle.
10. Other checks should be carried out in service of car service.