Central SFI system
1. Disconnect the battery from the ground.
2. Decompress the fuel system.
3. Remove the upper intake manifold.
4. Remove the holder and get the regulator from the fuel injection module.
5. Installation is carried out in the reverse order. Check the cleanliness of the small filter, replace a heavily soiled filter. Replace the O-rings with a light coat of clean engine oil.
SFI system
6. Disconnect the battery from the ground.
7. Decompress the fuel system.
8. Remove the equalization chamber of the intake manifold.
9. Disconnect the vacuum line from the pressure regulator.
10. Remove the circlip securing the pressure regulator to the fuel distributor.
11. Remove the pressure regulator from the fuel distributor by turning and pulling outwards.
12. Installation is carried out in the reverse order. Replace o-rings.