Changed fuel pump and still no fuel pressure is there a relay switch and if so where is it located?

you need to tell us what kind of car it is so we can tell you where the relay is located at,we wont know this until you tell us,good luck.
Changed fuel pump and still no fuel pressure is there a relay switch and if so where is it located?
there is a fuel regulator valve on the fuel rail just past the last injector---that may be your problem.

There is also a safety fuel cut off ( in the event of an accident) that may be tripped. The switch is usually under the dash. Another possibility.
Changed fuel pump and still no fuel pressure is there a relay switch and if so where is it located?
relay switches are useually in you fuse box under your hood they look like little black boxes

blond hair

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