what would cause the fuel pressure to drop in an 1990 olds but it will run great sitting still

60

Asked by fugate49 Jun 01, 2012 at 08:53 PM about the 1990 Oldsmobile Cutlass Supreme 4 Dr SL Sedan

Question type: Maintenance & Repair

the fuel pressure drops but it will run great sitting still

3 Answers

165

You either have a problem with the fuel pressure regulator or the fuel pump. Check the pressure regulator first.

61,205

If you mean fuel pressure drops when the gas pedal is hit then possible fuel filter clogged.

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