Honda Accord: Fuel Pressure Test - Fuel Supply System - Fuel and Emissions - Honda Accord MK8 2008-2012 Service ManualHonda Accord: Fuel Pressure Test

Special Tools Required

- Fuel Pressure Gauge 07406-004000B

- Fuel Pressure Gauge Attachment Set 07AAJ-S6MA150

1. Relieve the fuel pressure (see page 11-306).

2. Attach the fuel pressure gauge set and the fuel pressure gauge.

3. Start the engine, and let it idle.


3. Start the engine, and let it idle.

- If the engine starts, go to step 5.

- If the engine does not start, go to step 4.

4. 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 to ON (II).

- If the pump runs, go to step 5.

- If the pump does not run, do the fuel pump circuit troubleshooting (see page 11-301).

5. Read the fuel pressure gauge. The pressure should be 333-382 kPa (3.4-3.9 kgf/cm2,48-55 psi).

- If the pressure is OK, the test is complete.

- If the pressure is out of specification, replace the fuel pressure regulator (see page 11-323) and the fuel filter (see page 11 -324), then recheck the fuel pressure.

 

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