Millenia V6-2255cc 2.3L DOHC (1995)
Fuel Pressure: Testing and Inspection
Hold Pressure Inspection
Fuel Pressure Hold Inspection
Warning: Fuel line spills and leaks are dangerous. Fuel can ignite and cause serious injuries or death and damage. Fuel can also irritate skin
and eyes. To prevent this, always complete the "Fuel Line Safety Procedures".
1. Disconnect the negative battery cable.
2. Connect a fuel pressure gauge between the fuel filter (high-pressure side) and fuel distributor.
3. Connect the negative battery cable.
4. Connect the data link connector terminals F/P and GND by using a jumper wire.
5. Turn the ignition switch to ON for approx. 10 sec. to operate the fuel pump.
6. Turn off the ignition switch. Wait for 5 min., and measure the fuel pressure.
Specification:
More than 150 kPa (1.5 kg/cm2, 21 psi)
7. Disconnect a jumper wire.
8. If the pressure is lower than specified, measure the fuel line pressure while pinching the return hose.
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If the fuel line pressure holds, replace the pressure regulator.
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If the fuel line pressure dose not hold, check the fuel pump hold pressure.
If the fuel pump hold pressure is normal, check the fuel leaks from fuel line and fuel injector.
