Opel Omega

since 1993-1999 release

Repair and operation of the car

Opel Omega
+ 1. Maintenance instruction
+ 2. Maintenance
+ 3. Repair of engines
+ 4. Heating system and ventilation
- 5. Fuel, exhaust systems
   - 5.1. Petrol engines
      5.1.1. Technical characteristics
      5.1.2. Unleaded gasoline
      5.1.3. Systems of injection of fuel
      5.1.4. Air filter and air branch pipes
      5.1.5. Accelerator rope
      5.1.6. Accelerator pedal
      5.1.7. Release of pressure from system of injection of fuel
      5.1.8. Fuel pump
      5.1.9. Fuel level sensor
      5.1.10. Fuel tank
      5.1.11. Case of a butterfly valve
      - 5.1.12. Elements of system of injection of fuel (2,0 l engine)
         5.1.12.1. 2,0 liters engine
         5.1.12.2. 2,5 and 3,0 liters engines
      5.1.13. Inlet collector
      5.1.14. Final collector
      5.1.15. Multiline system of air supply
      5.1.16. System of production of the fulfilled gases
      + 5.1.17. Systems of decrease in toxicity of exhausts
   + 5.2. 2,0 liters diesel engine
   + 5.3. Diesel V6 engine of 2,5 liters
+ 6. System of start of the engine
+ 7. System of ignition
+ 8. Coupling
+ 9. Transmissions
+ 10. Main transfer, half shafts
+ 11. Brake system
+ 12. Suspension bracket and steering
+ 13. Body
+ 14. Body electric equipment

5.1.12. Elements of system of injection of fuel

5.1.12.1. 2,0 liters engine

FUEL INJECTORS

Removal and installation

PERFORMANCE ORDER

SOHC engine
1. Release pressure from a power supply system and disconnect a wire of the minus plug of the accumulator.
2. Remove a fuel collector.
3. Remove a fixing clip and remove the corresponding injector.
4. Installation is carried out upside-down removals.
DOHC engine
5. Release pressure from a power supply system and disconnect a wire of the minus plug of the accumulator.
	6. Turn off a nut (A) and a bolt (B) of connection of a tube of supply of fuel.
	7. Turn off a nut of connection of a tube of the return pipeline and disconnect fuel tubes from a fuel collector.
8. Remove a fuel collector and injectors.
9. Remove a fixing clip and remove the corresponding injector. Remove a sealing ring.
10. Installation is carried out to the sequences, the return to removal.

FUEL PRESSURE REGULATOR

Removal and installation

PERFORMANCE ORDER

1. Release pressure from a power supply system and disconnect a wire of the minus plug of the accumulator.
	2. Disconnect a vacuum hose (1) and a fixing collar (2) regulators of pressure of fuel.
3. Weaken a fixing collar and remove the regulator.
4. Installation is carried out to the sequences, the return to removal.

VALVE OF ADJUSTMENT OF SPEED OF IDLING

Removal and installation

PERFORMANCE ORDER

1. Remove an airintaking branch pipe.

2. Disconnect the connection socket, turn off fixing screws and remove the valve.

3. Installation is carried out to the sequences, the return to removal.

POTENTIOMETER OF THE BUTTERFLY VALVE

Removal and installation

PERFORMANCE ORDER

	1. Disconnect the socket of connection (1). Turn off fixing screws (2) and remove a potentiometer.
2. Installation is carried out to the sequences, the return to removal.

SENSOR OF TEMPERATURE OF COOLING LIQUID

Removal and installation

SOHC engine

Cm. subsection 4.7.

DOHC engine

Cm. subsection 4.7.

THE SENSOR OF TEMPERATURE OF THE ARRIVING AIR

Removal and installation

PERFORMANCE ORDER

	1. Disconnect the connection socket.
	2. Release fixing collars and remove an airintaking branch pipe.
3. Remove the sensor.
4. Installation is carried out to the sequences, the return to removal.

AIR STREAM SENSOR

Removal and installation

PERFORMANCE ORDER

	1. Disconnect the socket of connection of the sensor. Remove an airintaking branch pipe.
	2. Weaken a fixing collar and remove the sensor.
3. Installation is carried out to the sequences, the return to removal.

SENSOR OF PROVISION OF THE BENT SHAFT

Removal and installation

PERFORMANCE ORDER

SOHC engine
1. Remove a forward cover of a gas-distributing belt.
2. On models with the conditioner remove the left fastening of the engine / transmission and a fixing arm from the block of cylinders.
3. Disconnect the socket of connection of the sensor.
4. Turn off a fixing bolt and remove the sensor.
5. Installation is carried out upside-down removals.
DOHC engine
	6. The sensor is located on the left side of the block of cylinders, under the pump of system of the hydraulic booster of steering. For removal of the sensor (it is specified by an arrow) disconnect the connection socket. Turn off a fixing bolt and remove the sensor.
7. Installation is carried out to the sequences, the return to removal.

SENSOR OF DETONATION COMBUSTION OF FUEL

Removal and installation

PERFORMANCE ORDER

SOHC engine

1. The sensor is located on the right side of the block of cylinders. Disconnect the connection socket, turn off a fixing bolt and remove the sensor.

2. Installation is carried out to the sequences, the return to removal.

DOHC engine

3. The sensor is located on the right side of the block of cylinders. Remove a starter if it is necessary for access improvement.

4. Disconnect the connection socket, turn off a fixing bolt and remove the sensor.

5. Installation is carried out to the sequences, the return to removal.

THE SENSOR OF POSITION OF THE CAMSHAFT – THE DOHC ENGINE

Removal and installation

PERFORMANCE ORDER

1. Remove a casing of spark plugs.

2. Disconnect the socket of connection of the sensor.

3. Remove a forward cover of a gas-distributing belt.

4. Turn off a fixing bolt and remove the sensor.

5. Installation is carried out to the sequences, the return to removal.

ELECTRONIC CONTROL UNIT

Removal and installation

PERFORMANCE ORDER

1. Disconnect a wire of the minus plug of the accumulator and uncover the relay block in a motive compartment.

2. Get an electronic control unit from a nest and disconnect the connection socket.
3. Installation is carried out to the sequences, the return to removal.

RELAY OF SYSTEM OF INJECTION OF FUEL

Removal and installation

PERFORMANCE ORDER

	1. Uncover the relay block in a motive compartment. The relay of the fuel pump (1) and the relay of system of injection of fuel (2) are located in the relay block in a motive compartment.
	2. Replace the corresponding relay.

THE SWITCH IN AIR CONDITIONING SYSTEM

Removal and installation

For replacement of the switch it is necessary to address experts.