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fuel pressure


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lepaha
Novice

Nov 16, 2008, 8:17 AM

Post #1 of 5 (1360 views)
fuel pressure Sign In

1995 gmc 1500 v6 engine. What should the fuel pressure read at the input to the fuel filter. In other words, what is the pump out put pressure.? please


dmac0923
Enthusiast

Nov 16, 2008, 8:33 AM

Post #2 of 5 (1355 views)
Re: fuel pressure Sign In

injectors usually like 45-55 psi so i would say at the pump about 60psi
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lepaha
Novice

Nov 16, 2008, 1:07 PM

Post #3 of 5 (1352 views)
Re: fuel pressure Sign In

I have a Haynes Manual, it says the fuel pressure regulator supplies 9 to 13 lbs. to the injectors. My pump is putting out 10lbs, should it be in the range 15lbs or better?


Jeff Norfolk
Enthusiast
Jeff Norfolk profile image

Nov 16, 2008, 3:19 PM

Post #4 of 5 (1346 views)
Re: fuel pressure Sign In

If this is a Vortec motor then dmac is right. The pressure should be as he said. But if this is a throttle body type, which i think it may still be in 95, that 10 psi is enough to run the truck easily.
Jeff


lepaha
Novice

Nov 16, 2008, 4:18 PM

Post #5 of 5 (1343 views)
Re: fuel pressure Sign In

It is a TBI, thanks for the help Jeff, that is what I needed to know.






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