Fuel injection system (2.5 and 3.0 liter engines) (Opel Omega B)

Contents: Fuel injectors ⬇ Fuel pressure regulator ⬇ Idle speed control valve ⬇ Throttle potentiometer ⬇ Coolant temperature sensor ⬇ Incoming air temperature sensor ⬇ Air flow sensor ⬇ Crankshaft position sensor ⬇ Knock sensor for fuel combustion in…⬇ Knock sensor for fuel combustion in…⬇ Camshaft Position Sensor ⬇ Electronic control unit ⬇ Fuel injection system relay ⬇ Switch in the air conditioning system ⬇

Fuel injectors

Removal and installation

1. Remove the lower section of the intake manifold.

2. Disconnect the connection connectors from the injectors.

3. Remove the wiring harness cover.

4. Unscrew the nuts connecting the fuel pipes.

5. Unscrew the mounting bolts (indicated by arrows).

6. Remove the fuel pipes.

7. Unscrew the mounting bolts (indicated by arrows) fuel manifold.

8. Remove the fuel manifold together with the injectors.

9. Remove the corresponding mounting clamp (drawing on the left) and remove the injector (drawing on the right).

10. Installation is carried out in the reverse order of removal. Replace the sealing rings.

Fuel pressure regulator

Removal and installation

1. Release the pressure from the fuel system and disconnect the negative battery cable.

2. Remove the windshield wiper arms and water drain panel. Fuel pressure regulator (indicated by the arrow) located behind the intake manifold.

3. Disconnect the vacuum hose from the regulator.

4. Loosen the mounting clamp and remove the regulator.

5. Installation is carried out in the reverse order of removal.

Idle speed control valve

Removal and installation

1. Disconnect the valve connection connector.

2. Disconnect the hose from the valve and remove the valve.

3. Installation is carried out in the reverse order of removal.

Throttle potentiometer

Removal and installation

1. Disconnect the connection connector. Unscrew the mounting screws and remove the potentiometer.

2. Installation is carried out in the reverse order of removal.

Coolant temperature sensor

Coolant Temperature Sensor Location

Coolant temperature sensor (indicated by the arrow) located in the exhaust channel (in the picture the intake manifold is removed).

Removal and installation

See. subsection 4.7.

Incoming air temperature sensor

Removal and installation

1. Disconnect the connection connector, release the fastening clamps (indicated by arrows). Remove the air intake pipe.

2. Remove the sensor.

3. Installation is carried out in the reverse order of removal.

Air flow sensor

Removal and installation

1. Disconnect the sensor connection connector. Remove the air intake pipe.

2. Loosen the mounting clamp and remove the sensor.

3. Installation is carried out in the reverse order of removal.

Crankshaft position sensor

The sensor is located on the left side of the cylinder block, under the oil filter.

Removal and installation

1. Remove the wiper arms and water drain panel.

2. Disconnect the connection connector (indicated by the arrow) crankshaft position sensor, which is attached to the rear engine bracket.

3. Loosen the mounting bolt and remove the sensor.

4. Installation is carried out in the reverse order of removal.

Knock sensor for fuel combustion in the right bank of cylinders

Removal and installation

1. Remove the drive belt tensioner. Remove the generator.

2. Disconnect the sensor connection connector.

3. Loosen the mounting bolt and remove the sensor.

4. Installation is carried out in the reverse order of removal.

Knock sensor for fuel combustion in the left bank of cylinders

Removal and installation

1. On models with air conditioning, remove the left engine/transmission mount and mounting bracket from the cylinder block.

2. Disconnect the sensor connection connector.

3. Loosen the mounting bolt and remove the sensor.