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Fuel Pressure: Testing and Inspection




Fuel Pressure Test

Special Tools Required

- Fuel pressure gauge 07406-004000B
- Fuel pressure gauge attachment set 07AAJ-S6MA150

'07-09 models

1. Relieve the fuel pressure. Service and Repair

2. Disconnect the quick-connect fitting (A). Attach the fuel pressure gauge set and the fuel pressure gauge.

3. Reinstall the air cleaner (B). Service and Repair

4. Start the engine, and let it idle.
- If the engine starts, go to step 6.

- If the engine does not start, go to step 5.

5. Check to see if the fuel pump is running; listen to the fuel filler port with the fuel fill cap removed. The fuel pump should run for 2 seconds when the ignition switch is first turned on.
- If the pump runs, go to step 6.

- If the pump does not run, do the fuel pump circuit troubleshooting. Testing and Inspection

6. Read the fuel pressure gauge. The pressure should be 260-310 kPa (2.7-3.2 kgf/cm2, 38-46 psi).
- If the pressure is OK, the test is complete.

- If the pressure is out of specification, replace the fuel pressure regulator Service and Repair and the fuel filter, Service and Repair then recheck the fuel pressure.