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

50

Asked by 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

65

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

2,745

I agree

16,885

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

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