1999 GMC 1500 Pickup Q&A
1999 GMC 1500 Pickup Question: fuel pressure
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. - Russ
One or more fuel injectors may become stuck closed causing an engine misfire and the Chec...
is there a way to check the actual feed of the fuel to the throttle body without replacing the pump? and, is it possible that it floods out on its own randomly? if so, what can cause that and how ...
in mexico and mechanic can not solve problems. he lacks the diagnostic tools. GM dealer or an equipped mechanic far away. in traffic using minimal throttle at 1100-1300rpm engine surges. idle a li...
so, what ur saying about the pressure is that the only way to fix that is a new fuel pump?
fuel pump&relay new battery/airbag/checkgages. wont come on although engine will crank.