Checking the residual pressure

Fig 1: Identifying Pressure Gauge

Courtesy of VOLVO CARS OF NORTH AMERICA.

• Switch off the ignition
• Disconnect the cable between the terminals on the relay base
• Reinstall the fuel pump (FP) relay.

The line pressure must not fall below 200 kPa within 20 minutes of the fuel pump (FP) being shut-off.

Remedy as necessary.

Other information: 

• For the location of and to replace injectors, see, Injector/pulse damper, replacement .