Fuel Pressure Regulator
- Connect Fuel Pressure Gauge (999-5011
) between fuel line and fuel rail. Seal free end of hose with Plug (999-5266
). Start fuel pumps. Lift out central electrical unit and remove system relay. See Fig 1
.
- Connect a jumper wire between relay terminals No. 30 and 87/2. See Fig 2
. Remove fuses No. 30 and 31. See Fig 3
. Connect a jumper wire between right fuse terminals. See Fig 3
. Fuel pumps should start. Fuel filler cover can be removed to determine whether main pump is operating.
- Fuel pressure should be 42 psi (3 kg/cm2
). If pressure is too low, pinch return hose by hand and check whether pressure rises. Do not allow pressure to exceed 86 psi (6 kg/cm2
). If pressure rises rapidly, replace pressure regulator.
Courtesy of VOLVO CARS OF NORTH AMERICA.
Courtesy of VOLVO CARS OF NORTH AMERICA.
Courtesy of VOLVO CARS OF NORTH AMERICA.