fuel pump voltage loss after long distance driving

06-01-2002, 06:18 PM

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fuel pump voltage loss after long distance driving

after driving for about 60 miles my fuel pressure drops about 5-10#..........just installed 2 brand new fuel pumps. He has a 98 vortec GT.

06-03-2002, 12:17 AM

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Re: fuel pump voltage loss after long distance driving

bad regulator? or bad alternator.

if neither then run voltage right from the alternator to the fuel pump.