Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSHONDA2006PILOT EX, 3.5 YF1, J35Z1REPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMFUEL SUPPLY SYSTEMFUEL PRESSURE TEST

2006 Honda Pilot EX, 3.5 YF1, J35Z1

Fuel Pressure Test

2006 Honda Pilot EX, 3.5 YF1, J35Z1SECTION Fuel Pressure Test

Special Tools Required

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

Relieve the fuel pressure (see FUEL PRESSURE RELIEVING ).
Disconnect the quick-connect fitting. Attach the fuel pressure gauge set and the fuel pressure gauge.

Fig 1: Attaching Fuel Pressure Gauge Set & Fuel Pressure Gauge
Courtesy of AMERICAN HONDA MOTOR CO., INC.
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.
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 5.
- If the pump does not run, do the "fuel pump circuit troubleshooting" (see FUEL PUMP CIRCUIT TROUBLESHOOTING ).
Read the fuel pressure gauge. The pressure should be 390-440 kPa (4.0-4.5 kgf/cm² , 57-64 psi).
- If the pressure is OK, the test is complete.
- If the pressure is out of specification, replace the fuel pressure regulator (see FUEL PRESSURE REGULATOR REPLACEMENT ) and the fuel filter (see FUEL PRESSURE REGULATOR REPLACEMENT ), then recheck the fuel pressure.

RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.