RepairPal's independent, master mechanics track down the best of the best in auto repair. Learn more »
Get the latest advice about your car
what is the correct fuel pressure with key on and running in ideal
The fuel pressure spec for 5.0L and 5.7L V8 engines is 60-66psi with pump running and engine off, 55-60psi with key on after pump turns off. Fuel pressure should hold steady after turning the key off.
Common Problems > GMC 1500 Pickup
Q&A > GMC > 1993 GMC 1500 Pickup
Q&A > GMC > 1992 GMC 1500 Pickup
Q&A > GMC > 1995 GMC 1500 Pickup