GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2001 🢒 Sonoma Pickup - 2WD 🢒 Engine 🢒 Engine Controls - 4.3L 🢒 Fuel Pressure Service Valve Replacement

Removal Procedure

    Object Number: 586374 Size: SH
  1. Relieve the fuel system pressure. Refer to Fuel Pressure Relief .
  2. Use a standard valve core tool in order to remove the valve core (2).

Installation Procedure

    Object Number: 586374 Size: SH
  1. Use a standard valve core tool in order to install a new valve core (2).
  2. Tighten the fuel filler cap.
  3. Connect the negative battery cable.
  4. Inspect for leaks.
    5. 4.1. Turn ON the ignition for 2 seconds.
    4.2. Turn OFF the ignition for 10 seconds.
    4.3. Turn ON the ignition for 2 seconds.
    4.4. Inspect for fuel leaks.
  5. Install the fuel pressure connection valve cap (3).