On The Ground
WARNING: This page is about a different variant/trim than selected.
- Relieve the fuel system pressure. Refer to Fuel Pressure Relief .
- Disconnect the fuel feed quick connect fitting from the fuel rail. Refer Metal Collar Quick Connect Fitting Service .
- Install the 3/8 in. x 1/4 in fitting from the CH 48027 Digital Fuel Pressure Gauge into the fuel feed quick connect fitting.
- Connect a suitable drain hose to the other end of the adapter and connect the drain hose to a certified fuel handling cart.
- Connect a scan tool to the vehicle diagnostic connector and turn the ignition ON.
- Energize the fuel pump using the scan tool.
- Pump out the fuel until no more than 1/4 tank of fuel remains.
WARNING:
Fuel supply lines will remain pressurized for long periods of time after the engine is shutdown. This pressure must be relieved before servicing the fuel system.
WARNING:
Whenever fuel line fittings are loosened or removed, wrap a shop cloth around the fitting and have an approved container available to collect any fuel.