Fuel System Pressure Release: Hombre
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2000 Isuzu VehiCROSS, 2000 Isuzu Trooper, 2000 Isuzu Rodeo, 2000 Isuzu Hombre, and 2000 Isuzu Amigo. However, it is still accessible from the selected car via links, so may be relevant.
Disconnect negative battery cable. Loosen fuel filler cap. Connect SST J 34730-1A fuel gauge or equivalent to fuel pressure connection. Wrap a shop towel around fitting while making connection in order to prevent spillage. Install bleed hose on gauge into an approved container, then open valve to release fuel system pressure. Drain any remaining fuel into container.