Tool Required: J 34730-1A , Fuel Pressure Gauge

1. Disconnect the negative battery cable Refer to Battery Replacement in engine electrical.
2. Loosen the fuel filler cap to relieve tank vapor pressure.
3. Remove the cap from the fuel pressure gauge connection port.
4. Connect Fuel Pressure Gauge J 34730-1A to the fuel pressure connection. Wrap a shop towel around the fuel pressure connection while connecting the fuel pressure gauge in order to avoid spillage.
5. Install the bleed hose into an approved container and open the valve to bleed the system pressure. The fuel connections are now safe for servicing.
6. Drain any fuel remaining in the fuel pressure gauge into an approved container.