Civic L4-1.3L Hybrid (2008)
Fuel Pressure: Testing and Inspection
Fuel Pressure Test
Special Tools Required
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Fuel pressure gauge 07406-004000B
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Fuel pressure gauge attachment set 07AAJ-S6MA150
'07 model
1. Relieve the fuel pressure.
2. Disconnect the quick-connect fitting (A). Attach the fuel pressure gauge set and the fuel pressure gauge.
3. Reinstall the air cleaner (B).
4. Start the engine, and let it idle.
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If the engine starts, go to step 6.
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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.
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If the pump runs, go to step 6.
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If the pump does not run, do the fuel pump circuit troubleshooting.
6. Read the fuel pressure gauge.
The pressure should be 270 - 320 kPa (2.8 - 3.3 kgf/sq.cm, 40 - 47 psi).
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If the pressure is OK, the test is complete.
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If the pressure is out of specification, replace the fuel pressure regulator and the fuel filter, then recheck the fuel pressure.
