Fuel System Pressure Release
WARNING:
Remove fuel tank cap and release fuel system pressure before servicing any fuel injection-related components. After releasing fuel system pressure, a small amount of fuel may be released when servicing fuel lines, fuel pump or fuel connections. Cover the fuel system components with a shop towel before disconnection. DO NOT allow fuel to contact engine or electrical components.
CAUTION:
Fuel system is under pressure. Pressure must be released prior to servicing fuel system.
Loosen retaining bolt on intake manifold sight shield at top of engine. Remove intake manifold sight shield from top of engine. Disconnect negative battery cable. Loosen fuel filler cap. Install Fuel Pressure Gauge Fitting Adapter (J-34730-262) to fuel pressure test port connection. Install Fuel Pressure Gauge (J-34730-1A) to fuel pressure gauge fitting adapter on fuel rail. Wrap a shop towel around pressure connection when installing fuel pressure gauge to absorb fuel leakage. Place gauge bleed hose into an approved gasoline container. Open bleed valve to release fuel pressure.