Reading Fuel Line Pressure

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The following method must be used when reading the fuel line pressure on the fuel rail:

Fig 1: Fuel Pressure Gauge

GLL100887

Courtesy of VOLVO CARS OF NORTH AMERICA.

Engagement of fuel pressure gauge.

Supplement the pressure gauge with adapter and nipple before use.

See 9995011
See 9989725
See 9995479

Connect the adapter to the valve on the fuel rail in the locked position (image 1, valve closed).

Set the cock on the pressure gauge in the direction of the nipple.

Connect the pressure gauge's other connection to the fuel drain equipment.

See 9812270
See 9812273
See 9812282

Unlock the adapter (illustration 2, valve open).

Start the engine.

Read off the relative pressure.

Fig 2: Fuel Pressure Gauge Adapter

GLL100889

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 (image 1, valve closed).

Remove the adapter from the valve.

Stop the draining unit.

Reset the equipment.