Maximum Pressure

Fuel Pump Hold Pressure Check:

WARNING: Before disconnecting any fuel line, release fuel pressure. When replacing fuel system components, keep sparks, cigarettes and open flames away from fuel. Plug hoses while they are disconnected.

1. Disconnect negative battery terminal.
2. Connect fuel pressure gauge to fuel inlet line at fuel rail and plug gauge outlet as shown. Install clamps at hose connections.
3. Reconnect negative battery terminal.
4. Connect a jumper wire across data link connector terminals F/P and GND.
5. Turn ignition switch ON to operate fuel pump. Pressure should be 69 - 95 psi (480 - 657 kPa).
6. Turn ignition OFF and remove jumper wire.
7. If not as specified, replace pump.