Rough running

1989 OLDSMOBILE CUTLASS
114,000 MILES • 6 CYL • FWD • AUTOMATIC
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DANIELVANHOVEN
  • MEMBER
  • 4 POSTS
I have a 1989 Oldsmobile running rich, fuel pump pressure is 68 psi. It is running rich, could the fuel pump pressure regulator be at fault?
Dec 18, 2010 at 6:50 AM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,236 POSTS
Refer to our homepage under the DIY section. There you will find hot to check fuel pump pressure. There are directions and a video. Both explaine how to check the fuel pressure regulator. Check that.
Jan 28, 2011 at 11:24 AM
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