it should be about 70 psi....and should remain like that for as long as possible after turning off engine - days even if all is OK
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∙ 2006-08-14 13:42:353.2 bar or about 39 PSI
yes
you should have 2pumps, a low pressure in the tnk and a high pressure in the line.
look in your owner's manual
There is a low pressure fuel pump in the gas tank, and a high pressure in-line fuel pump located on the under-carriage beneath the drivers seat
this is the fault code of fuel feed pressure low in Volvo vehicles u need to chake fuel line fuel filter clogged or fuel pump faulty
check the fuses and change the fuel pump relay first in the fuse box behind the front ash tray goggle Volvo relays to see it. and fuel cleaner in the fuel tank.
fuel pressure regulator, or clog due to poor fuel, and check injectors
There is a vacuum controlled pressure regulator on the fuel rail. Check for vacuum leaks. If the unit is faulty, it will often leak fuel into the vacuum line.
30-40 Psi.
The fuel pump may be running but it may not put out enough fuel pressure. Have the fuel pressure tested. I am assuming the fuel filter has been changed.
Start with diagnosing the cause of no fuel. Check fuse, fuel pump relay, fuel filter, fuel pressure, fuel pressure regulator, fuel gpm flow, damaged/pinched fuel lines. Once you have determined the cause you can fix it.