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Discussion Starter #1
I have a Summit Electric Fuel pump with regulator set to 7psi idle to feed my 350 with a 650DP. These parts are less than a year old and I have noticed that sometimes when the car is started up, the fuel pressure will go up to 15psi (that's as high as the gauge reads) then if I hit the regulator with a screwdriver the pressure drops to normal. I've taken apart the regulator to see if the spring was messed up and everything is fine. Is this set-up no good? I was thinking of trying a new reg. but is the fuel pump at fault too? Should I have gone with a brand name in this area? Any help would be great appreciated.
 

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Two guesses.
The fuel is reacting with the seal inside the regulator and it's sticking.

You don't have a fuel filter before the regulator and it's getting something stuck in it.
David

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Discussion Starter #3
DavidPozzi,
I have a fuel filter after the pump before the regulator, and that checks out fine.
But on your first idea. Is there a way to check that seal?
 
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