Fuel Pressure Hold Test
FUEL PRESSURE HOLD INSPECTIONWARNING: 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.
- Disconnect the negative battery cable.
- Install a fuel pressure gauge between the fuel pipe and the fuel main hose. (Install clamps as shown.)
- Connect the negative battery cable.
- Connect data link connector terminals F/P and GND by using a jumper wire.
- Turn the ignition switch to ON for 10 sec. to operate the fuel pump.
- Turn the ignition switch to OFF and disconnect the jumper wire.
- Observe the fuel pressure after 5 min.
Fuel pressure: More than 147 kPa (21 psi)
- If not as specified, perform the following inspections.
- Fuel pump hold pressure
- Pressure regulator hold pressure
- Fuel injector fuel leakage