 printable version
Checking and replacing the fuel pressure regulator
Serviceability of the regulator is determined by the fuel pressure in the injector rail on the engine is running. 1. Connect a pressure gauge to the fuel supply line (see. "Check the pressure in the fuel system"). 2. Start up the engine. When the engine is idling the pressure in the fuel system should be about 300 kPa (3.0 kgf / cm 2). 3. Disconnect the vacuum hose from the pressure regulator. The pressure gauge should increase to 20-70 psi (0.2-0.7 kg / cm 2). If the pressure at idle below normal and does not increase when you disconnect the vacuum hose, replace a pressure regulator. 4. If, during the inspection of the pressure regulator to it was again vacuum hose is connected, disconnect it. | | 5. Squeeze the retainer drain hose fuel ... | 6. ... and disconnect the hose from the nipple of the regulator. |
7. Remove the two screws securing the controller to the injector rail ... NOTE For clarity, the removal of the regulator shown in a previous ramp. |
| | 8. ... and remove the knob. | 9. Remove the sealing ring from the regulator body. |
A WARNING O-ring each time the controller is replaced. |
| | 10. If necessary, replace the drain pipe clamp with a screwdriver to pry it ... | 11. ... and remove the retainer from the union of the regulator. |
12. Install the regulator in reverse order of removal, brushing his O-ring with engine oil.
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