What should the fuel pressure be with engine off on a 2002 4.8 v8 Chevy 4wd?
The fuel pressure with the engine off on a 2002 4.8L V8 Chevy 4WD should be between 55-65 PSI. However, it's crucial to consult your vehicle's repair manual for the precise specification as slight variations can exist. The manual will provide the most accurate information.