1994 GMC Jimmy low fuel pressure

Tiny
GEF4132
  • MEMBER
  • 1994 GMC JIMMY
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 126,000 MILES
I checked fuel pressure it low.I also sprayd starter fluid in manifold it ran for a few sec. Pressure regulator change, fuel pump change and fuel filter changed. Getting fuel to injector pump what cani try next?
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Friday, August 14th, 2009 AT 4:08 PM

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Tiny
RASMATAZ
  • MEMBER
How low is the fuel pressure? It should be 55-61psi if not in this range injector/s could be leaking and dropping the pressure. Also check if the injector/s are pulsing if not could be power source to it or the computer's injector drivers.
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Friday, August 14th, 2009 AT 4:29 PM

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