Fuel pressure issue
March 1st, 2021, 10:45 PM
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Fuel pressure issue
I have a 1996 GMC Sierra 1500, 5.7 vortec. I have replaced the spider injectors with mfi injectors, pressure regulator, fuel pump, fuel filter, fuel lines. Before I replaced the regulator I was getting 30 psi fuel pressure, and with the new one I get 50ish. When I pressure test the system, the fuel pressure goes up to 60, then drops very rapidly. Would that be the injectors leaking? There are no leaks anywhere else in the system.
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