Fuel system pressure, checking: Disengagement

Fig 1: Identifying Fuel Pressure Gauge Adapter

Courtesy of VOLVO CARS OF NORTH AMERICA.

Disengagement of fuel pressure gauge.

Ignition off.

Start the draining unit.

Set the cock on the pressure gauge to the central position.

Secure the adapter (box 1 in Fig 1, valve closed).

Remove the adapter from the valve.

Stop the draining unit.

Reset the equipment.