Passport 2WD L4-2559cc 2.6L SOHC (4ZE1) (1994)
3. Disconnect the Vacuum Switching Valve (VSV) Harness at Connector.
MEASUREMENT
Start the Engine and measure Fuel pressures at idling.
1. Disconnect the Vacuum Hose from the Pressure Regulator and plug it.
Standard: about 3.0 kg/cm2 (42 psi)
2. Reconnect the Vacuum Hose to the Pressure Regulator.
Standard: about 2.5 kg/cm2 (35 psi)
3. Apply Battery voltage to the VSV Connector.
Standard: about 3.0 kg/cm2 (42 psi)
4. Disconnect the Vacuum Hose from the Fuel Pressure Control Valve and plug it. Stop Engine to check for Fuel leakage and make sure that Fuel
pressure remains above 2.5 kg/cm2 (35 psi) for 4 min. after Engine is turned off.
NOTE: The following method can be used to operate the Fuel Pump without running the Engine.
1. Remove the Fuel Pump Relay from the Fuse and Relay box.