Fuel Pressure Release
WARNING: This page does not describe the selected car, but rather 14 other vehicles, including the 2000 Mercury Sable, 2000 Mercury Mystique, 2000 Mercury Grand Marquis, 2000 Mercury Cougar, and 2000 Lincoln Town Car. However, it is still accessible from the selected car via links, so may be relevant.
- Remove fuel cap to release fuel tank pressure. Remove relief valve service port cap. Relief valve service port is located on fuel supply manifold. Using Fuel Pressure Gauge (T80L-9974-B ), release fuel pressure from relief valve (Schrader valve).
- If fuel pressure gauge is not available, disconnect electrical connector to IFS switch. For IFS switch location, see INERTIA FUEL SHUTOFF (IFS) SWITCH LOCATION table under INERTIA FUEL SHUTOFF (IFS) SWITCH. Crank engine with IFS disconnected for 15 seconds to reduce system pressure.