Fuel Pressure Relieving: Procedure
NOTE:
- 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 you relieve the fuel pressure, stop the fuel pump according to 2nd procedure (with the HDS) or 3rd procedure (without the HDS).
- Fuel Fill Cap - Remove
Remove the fuel fill cap to relieve the pressure in the fuel tank.
- Fuel Pump - Stop (with HDS)
1. Connect the HDS to the DLC .
2. From the INSPECTION MENU of the HDS, select Fuel Pump OFF, then start the engine, and let it idle until it stalls.
NOTE:- 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.
3. Turn the vehicle to the OFF (LOCK) mode.
- Fuel Pump - Stop (without HDS)
1. Remove PGM-FI main relay 2 (A) from the under-hood fuse/relay box. 2. Start the engine, and let it idle until it stalls.
NOTE: If any DTCs are stored, clear and ignore them.
3. Turn the vehicle to the OFF (LOCK) mode.
4. Install PGM-FI main relay 2.
- 12 Volt Battery Terminal - Disconnect
- Fuel Pressure - Relieve
1. Remove the quick-connect fitting cover (A). 2. Check the fuel quick-connect fitting for dirt, and clean it if needed.
3. Place a rag or shop towel over the quick-connect fitting (A). 4. Disconnect the quick-connect fitting (A): Hold the connector (B) with one hand, and squeeze the retainer tabs (C) with the other hand to release them from the locking tabs (D). Pull the connector off.
NOTE:- Be careful not to damage the line (E) or other parts.
- Do not use tools.
- If the connector does not move, keep the retainer tabs pressed down, and alternately pull and push the connector until it comes off easily.
- Do not remove the retainer from the line; once removed, the retainer must be replaced with a new one.
5. After disconnecting the quick-connect fitting, check it for dirt or damage.
6. Align the quick-connect fittings with the line (A), and align the retainer locking tabs (B) with the connector grooves (C). 7. Press the quick-connect fittings onto the line until both retainer tabs lock with a clicking sound.
NOTE: If it is hard to connect, put a small amount of new engine oil on the line end.
8. Make sure the connection is secure and the tabs are firmly locked into place; check visually and also by pulling the connector. 9. Install the quick-connect fitting cover (A). - 12 Volt Battery Terminal - Connect
- Fuel Fill Cap - Install
1. Install the fuel fill cap.