Ac delco 2172251 or or delphi fp10075 i think are what you want for the 5.7l vortec.

5.7 vortec fuel pressure. A few weeks ago it started to get harder and harder to start. 1999 tahoe 5.7 misfire and fuel pressure question was created by jaystoy. I tested mine, got 51 psi key on engine off, and a brief dip then consistent 50 psi with.

Changes in pressure is the action of regulator which is vacuum sensitive. When the key is turned on the. Fuel pressure is about right.

I replaced my 1999 5.7 vortec chevy truck engine and it has a rough idle,it has new plugs,wires,fuel pump,fuel filter,cap,rotor,new mfi injection,t stat, and gaskets.it has no trouble. What should the fuel rail pressure be for this vehicle. Discussion starter · #1 · nov 24, 2003.

I am working on an 02 chevy express box van with the 5.7 vortec engine. The best pressure check is first block the return line with. The fuel pressure for the 99 to 2006 v8 is 55 to 62psi for reg gas engine.

Showing fuel pressure static and running on a 1999 vortec 5.7 v8. I have recently replaced 3 fuel pumps, along with 2. What is the correct spec for fuel pressure on a 5.7 l vortec in a 2000 gmc yukon denali?

I need help on the fuel system on my 5.7 vortex sfi engine. Loss of fuel pressure 5.7 vortec mpi. I am thrilled to finally get on this forum!!