2008 Vauxhall Vectra 1.8 sri
Fuel pressure

Avatar
pancho
Driver
3 points

Problem added: Aug 2, 2013 (7 years ago)
Engine will start but won;t rev and has very low power.
Switch ign on (engine off )pump runs for 10 seconds then stops. Is this normal?
when I depress schrader valve on fuel rail there's no "spurt" of fuel but when pump is running there's adequate fuel there.
Is there a pressure regulator?

Car details
Car: Vauxhall Vectra
Variant: 1.8 sri
Model Year: 2008
Category: Engine & Drivetrain
Replies and Fixes
Avatar
bustedknuckles
Legend
1,855 points

Aug 3, 2013 (7 years ago)
The fuel pump should run initially as you describe ,It,s called initial prime and is normal.If you are able to carry out a fuel pressure check,that will tell you if you have good pressure that ,s what that shredder valve is for,mounting a gauge to read it,Are there any fault codes logged to help you.
Avatar
bustedknuckles
Legend
1,855 points

Aug 3, 2013 (7 years ago)
There is a regulator to regulate the pressure ,to give the constant pressure required if you think it,s faulty you can try briefly clamping your return hose to boost the pressure.
Avatar
roverman
Top Fixer
457 points

Aug 5, 2013 (7 years ago)
as above also check fuel filter a blocked cat/exhaust will also prevent engine revving
Avatar
noddy1977
Driver
15 points

Aug 13, 2013 (7 years ago)
If your cars starting then fuels getting to the engine, my guess is the coil packs done
Avatar
noddy1977
Driver
15 points

Aug 13, 2013 (7 years ago)
If your cars starting then fuels getting to the engine, my guess is the coil packs done
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