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International Automotive Technicians Network
Re: 98 GMC 5.7 Fuel pressure question
Posted to Technical Discussion Forum on 5/29/2003

Jim,

I too have tested many of these that don't hold pressure well but this thing plummets to zero instantly. When it is real quiet you can hear the fuel moving in the lines when you shut it off. As I said before when I have my known good pump hooked to the ... Login to read more.