When the key is turned on the.

5.7 vortec fuel pressure. Fuel pressure is about right. Showing fuel pressure static and running on a 1999 vortec 5.7 v8. I've got a 1999 vortec 5.7 with the mpfi injector spider in my jeep.

I am thrilled to finally get on this forum!! The gm fuel injector fits into the vortec crate motor, and it sprays gasoline into the intake port at specific intervals. I have recently replaced 3 fuel pumps, along with 2.

Sometimes they split and crack. Showing fuel pressure static and running on a 1999 vortec 5.7 v8. For months i have been having this problem where the engine looses fuel pressure.

What is the correct spec for fuel pressure on a 5.7 l vortec in a 2000 gmc yukon denali? Ac delco 2172251 or or delphi fp10075 i think are what you want for the 5.7l vortec. I am working on an 02 chevy express box van with the 5.7 vortec engine.

This is for sequential fuel injection sfi. I need help on the fuel system on my 5.7 vortex sfi engine. I tested mine, got 51 psi key on engine off, and a brief dip then consistent 50 psi with.

The fuel pressure for the 99 to 2006 v8 is 55 to 62psi for reg gas engine. What should the fuel rail pressure be for this vehicle. Discussion starter · #1 · nov 24, 2003.