Measuring fuel pressure

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2006 Volvo S80, 2005 Volvo S80, 2004 Volvo S80, 2003 Volvo S80, and 2002 Volvo S80. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Test Drive

Courtesy of VOLVO CARS OF NORTH AMERICA.

Corrective actions:

Start the engine.
Drive the car and read off fuel pressure while the car is being driven. The fuel pressure should be:375-395 kPa (54.4 - 57.3 psi) .

CAUTION:

Note At constant engine loads the fuel pressure should be stable. At acceleration or during engine braking the fuel pressure may vary between the maximum and minimum readings.