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What could it be?


OneGoofyGuy

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1991 Ford Ranger 5 speed 2.9l

It has a new fuel pump fuel filter but the fuel pressure was low. It’s supposed to be 30-40psi

what else could it be? Probably something I’m looking over.
 


Dirtman

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Both fuel pumps are new?
 

snoranger

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Dirtman

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Thats rediculus!
 

Uncle Gump

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Fuel pressure regulator...
 

rusty ol ranger

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Fuel pressure regulator...
Regulators always fail and allow fuel to leak into the intake and usually wont lower the pressure.

If pump and filter are new id say you got an injector staying open.
 

Dirtman

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Or your new pump is garbage.
 

rusty ol ranger

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Uncle Gump

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Regulators always fail and allow fuel to leak into the intake and usually wont lower the pressure.

If pump and filter are new id say you got an injector staying open.
Do you know it's not leaking? Do you even know if he has a good vacuum reference at the regulator?

I mean... I'm not second guessing your 2.9L prowess...
 

rusty ol ranger

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Do you know it's not leaking? Do you even know if he has a good vacuum reference at the regulator?

I mean... I'm not second guessing your 2.9L prowess...
i wasnt tryin to come off as a prick. And no i dont know that....but usually when a regulator goes on a 2.9 it runs, just richly.
 

DirtBronco

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Is there any smell of fuel? I had a problem with the connector to the regulator leaking and fuel was pooling in the lip of the valve cover.
 

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