Fuel Pressure Relieving: Procedure

How to use this Service Information .

WARNING:

Flammable - Keep Fire Away

NOTICE:

Refer to the Fuel and Emissions Systems Service Precautions before doing the procedure.
Before disconnecting fuel lines or hoses, relieve pressure from the system by disabling the fuel pump and disconnecting the fuel line/quick connect fitting in the engine compartment.
When working with a vehicle equipped with the electronic air suspension, be sure to set it to the leveling off mode to prevent unexpected operation. Refer to the Electronic Air Suspension System Service Precautions - Refer to: Electronic Air Suspension System Connector Fitting Precautions or Electronic Air Suspension System Service Precautions for the procedure.

With HDS

Fuel Pressure - Relieve
Preconditions
- HDS Connected
Figure 1 (3.5 L Engine)

Courtesy of HONDA, U.S.A., INC.

Figure 2 (3.0 L Engine)

Courtesy of HONDA, U.S.A., INC.

Procedure/Specifications

1. Remove the emergency fuel funnel (a). (Figure 1 and 2)

Figure 3

Courtesy of HONDA, U.S.A., INC.

2. Insert the emergency fuel funnel (b) into the fuel filler neck to relieve the pressure in the fuel tank. (Figure 3)

3. Stop the fuel pump.
- Select the following menu buttons on the HDS screen in sequence.
- - PGM-FI (System Selection Menu)
  - Function Test
  - FUEL PUMP OFF
4. Start the engine, and let it idle until it stalls.

NOTICE:
- Do not allow the engine to idle above 1, 000 rpm or the PCM will continue to operate the fuel pump.
- A Pending or Confirmed DTC may be set during this procedure. Check for DTCs, and clear them as needed.
5. Turn the vehicle to the OFF (LOCK) mode.

After Relieving
- 12 Volt Battery Terminals Disconnection - Refer to: 12 Volt Battery Terminal Disconnection and Reconnection (3.5L Engine) or 12 Volt Battery Terminal Disconnection and Reconnection (3.0L Engine)
NOTE: Disconnect the 12 volt battery terminal after relieving the fuel pressure to reduce the risk of a fire caused by sparks.

Without HDS
Fuel Pressure - Relieve
Figure 1 (3.5 L Engine)

Courtesy of HONDA, U.S.A., INC.

Figure 2 (3.0 L Engine)

Courtesy of HONDA, U.S.A., INC.

Procedure/Specifications

1. Remove the emergency fuel funnel (a). (Figure 1 and 2)

Figure 3

Courtesy of HONDA, U.S.A., INC.

2. Insert the emergency fuel funnel (b) into the fuel filler neck to relieve the pressure in the fuel tank. (Figure 3)

Figure 4 (3.5 L Engine)

Courtesy of HONDA, U.S.A., INC.

Figure 5 (3.0 L Engine)

Courtesy of HONDA, U.S.A., INC.

3. Remove the access panel .

4. Disconnect the connector (c). (Figure 4 and 5)

5. Start the engine, and let it idle until it stalls.

NOTICE:

If any DTCs are stored, clear the DTC after all work related to relieving fuel pressure has been completed.

6. Turn the vehicle to the OFF (LOCK) mode.

7. Reconnect the connector, and reinstall the access panel .

After Relieving

1. DTC Clear - Refer to: How to Troubleshoot the Fuel and Emissions Systems (3.5L Engine) or How to Troubleshoot the Fuel and Emissions Systems (3.0L Engine)

2. 12 Volt Battery Terminals Disconnection - Refer to: 12 Volt Battery Terminal Disconnection and Reconnection (3.5L Engine) or 12 Volt Battery Terminal Disconnection and Reconnection (3.0L Engine)NOTE: Disconnect the 12 volt battery terminal after relieving the fuel pressure to reduce the risk of a fire caused by sparks.