Civic CX Hatchback L4-1590cc 1.6L SOHC MFI (1997)
Fuel Pressure Regulator: Testing and Inspection
Testing
WARNING: Do not smoke during the test. Keep open flames away from your work area.
1. Attach the special tool(s) to the service port on the fuel filter.
Pressure should be:
Except 1.6L DOHC VTEC : 260-310 kPa (2.7-3.2 kg/Sq.cm, 38-46 psi)
1.6L DOHC VTEC : 270-320 kPa (2.8-3.3 kg/Sq.cm, 40-47 psi)
(with the fuel pressure regulator vacuum hose disconnected and pinched)
2. Reconnect the vacuum hose to the fuel pressure regulator.
3. Check that the fuel pressure rises when the vacuum hose from the fuel pressure regulator is disconnected again.
If the fuel pressure did not rise, replace the fuel pressure regulator.
