Attention! See precautions in subsection 6.3.2 before starting work.
Removing
1. Disconnect the negative battery cable.
2. Disconnect the vacuum hose from the fuel pressure regulator (indicated by an arrow), which is installed on the left side of the fuel manifold.
3. Release pressure from the fuel system following the instructions in subsection 6.3.2.6. Loosen the clamp and disconnect the fuel hose from the bottom of the fuel pressure regulator.
4. Unscrew the two mounting bolts and remove the regulator from the fuel manifold. Remove the o-ring installed on the regulator and discard it - a new one must be used for installation.
Installation
5. Installation is carried out in the reverse order of removal. At installation use a new sealing ring. After installation is complete, start the engine and check for fuel leaks.