Fuel Pressure Regulator and Solenoid Valve — Checking and Replacing (Nissan Terrano 1)

Examination

1. The fuel pressure regulator solenoid valve ensures that a vacuum is applied to the regulator when starting a hot engine and increasing the injection pressure.

2. The valve needs to be checked if there are any malfunctions in the operation of the regulator when the hose from the valve is connected, but when artificially creating a vacuum, the regulator operates normally.

3. Disconnect the connector from the valve and check the voltage from the battery. The disconnected valve should not let air through.

4. Replace the faulty valve.

Replacement

Solenoid valve

5. Disconnect the wires and hoses and unscrew the valve

6. Installation is carried out in reverse order.

Regulator

7. Perform decompression.

8. Disconnect the battery from ground.

9. Loosen the clamps, mark and disconnect the 2 fuel hoses (photo).

See the original on the resource NISSANBOOK



10. Disconnect the vacuum hose and fuel temperature sensor connector.

11. Loosen the clamp and disconnect the return fuel line hose from the bottom of the regulator.



12. Loosen the bolts and remove the regulator.

Installation

13. Installation is carried out in reverse order.