WHAT HAPPENS WHEN THE RPM GUAGE JUMPS UP AND ...

  • Tiny
  • Anonymous
  • 1991 Oldsmobile Cutlass
  • 218,000 miles

What happens when the RPM guage jumps up and down when idling and sometime the motor dies. Sometimes when stopping at a traffic light it will die. The car is supposed to use reguler gasoline but has been using gas with alcohl. Will this cause a problem.

Saturday, November 3rd, 2012 AT 1:32 AM

1 Answer

  • Tiny
  • ASEMaster6371
  • Expert
  • 25,502 posts

Yes, it could.

It could be a vacuum leak, idle control motor, egr valve open or fuel pressure regulator

Roy

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Saturday, November 3rd, 2012 AT 4:01 AM

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