1990 Buick Regal fuel pump

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1990 BUICK REGAL

1990 Buick Regal 150 miles

Does the fuel pump pressure fluctuate as it is driven

Wednesday, January 13th, 2010 AT 3:37 PM

1 Reply

JDL

MECHANIC
16,098 POSTS

Welcome to the forum, at steady rpms, I don't think it should fluctuate. If the fuel pressure regulator is controled by engine vacuum, anything that effects engine vacuum, can effect fuel pressure. There could be other issues?

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