The ignition switch activates fuel pump. If you are hearing the fuel pump relay click, and you have checked the fuse and it is good but you have no power to the pump, then you have a break somewhere between the fuse block and the pump. I would follow the wires back with a multimeter and trace the voltage back from the fuse.

IIRC, on these vehicles..... you'll still get spark even without any fuel. There's no problem there, but you won't get fuel if there's no spark. The pump will come on and you'll show fuel pressure at the rail but the injectors won't pop.

DEWFPO
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1998 S90 077,400 and 1995 964 154,100