MPI/MPFI injection system
- 1. Fuel return line
- 2. Bolt, 10 Nm
- 3. Clamp
- 4. O-ring
- 5. Pressure regulator
- 6. Fuel manifold (ring fuel line)
- 7. Fuel injection line
- 8. Locking bracket
- 9. O-ring
- 10. Valve nozzle. Resistance: 15-17 ohm (omega big).
- 11. O-ring
- 12. Switchable intake manifold
Warning: Always replace seals.
Withdrawal
1. Remove the intake air hose between the mass air flow meter and the noise damper.
2. Remove the high voltage wires from the ignition coils, unhook them from the ring fuel line and set aside.
3. Pull out the plugs from the valve injectors.
4. Remove the fuel ring from the intake manifold.
5. Pull out the retaining clips of the valve injectors.
6. Raise the ring fuel line up.
7. Remove the valve injectors from the intake manifold.
Installation
1. Insert valve injectors with new sealing rings into the intake manifold. Lightly lubricate the O-rings with clean engine oil beforehand.
2. Install an annular fuel line.
3. Insert the safety clips of the valve injectors.
4. Screw the annular fuel line to the intake manifold with a torque of 10 Nm.
5. Insert valve injector plugs
6. Plug the high voltage wires into the ignition coils and attach them to the ring fuel line.
7. Install the intake air hose between the mass air flow meter and the noise damper.
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