45lbs
50
Fuel injection
No the fuel tank should not be under pressure. The fuel line should be under pressure. When you open the gas cap, there really should not be any pressure, if you do have, then something is not working right.
gmc sierra 1996 feul pressure test
The fuel pressure gauge will help you check the fuel pressure in a 1997 Sunfire. When the pressure is low their is a repair manual which advises on what steps to take.
should be about 42-45 psi at idle, will change with vac line to fuel pressure solenoid disconnected
52+psi at 0"hg
1. you should be able to hear it running 2. there is a schrader valve on the fuel rail, connect a fuel pressure meter to it and check your fuel pressure.
The fuel pressure is not adjustable on that vehicle.
The 1997 Cadillac Deville fuel pressure regulator can be found on top of the engine. The fuel pressure regulator will be near the fuel injector pump.
What you may be looking at on the V8 is the fuel pressure test port. This is used to test the fuel pressure with a gauge. It should have a cap on it. Good Luck!
Should be about 60psi running, should hold more than 50 with the engine off.