55 to 62 PSI ( KEY ON ENGINE OFF ) If it is lower then 55 and higher then 62 then you will have starting are running problems. Must be on the money.
The 2003 Chevrolet Silverado 2506.0 liter engine fuel pressure should be between 15 pounds and 18 pounds. The specifications are for a new engine.
Where is the fuel pressure regulator located on a 1989 chevy silvarado with 5.7 liter engine
the fuel pressure should be 65 pounds of pressure
About 5 to 6 pounds.
what is the fuel psi running on a Chevy 2002 1500hd with the 6.0
what fue pressure specs on 2004 chevy 2500 with 6.0 liter engne
Its located on the fuel rail, on the right side of the engine.
60 to 66 PSI. If it is any LOWER OR HIGHER you will have problems.
A fuel pressure test will help determine the condition of the fuel pump and fuel pressure regulator provided the fuel pump electrical circuit, fuse and relay check okay.
55 LBS is the lowest and 62 LBS is the highest anywhere in between is fine
If you look at it you will see a vacuum line hooked to it, while the engine is running unplug it and the engine sound should change. If it don't then the regulator is bad. You can also hook up a fuel pressure gauge to the fuel line and read what the pressure is while engine is idleing and then unplug the regulator and the fuel pressure should go up a few LBS. If not replace regulator.
under the plastic plate covering the engine. Right hand side