1995 Cadillac Deville gas

1995 CADILLAC DEVILLE
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BONDSINC
  • MEMBER
  • 1 POST
Engine Performance problem
1995 Cadillac Deville Front Wheel Drive Automatic 174,00 miles

The car takes premium gas and regular gas was put in it and now the car runs bad like it wants to cut off and i took all that gas out but it still runs bad whats next.
Thank you
Jun 9, 2009 at 7:24 AM
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FACTORYJACK
  • ✓Experienced Mechanic
  • 4,159 POSTS
The switch to regular should have almost caused no noticeable running problems. It might be possible that it was bad fuel. Is it a northstar, or 4.9L, does it seem like it's missing, idle quality poor/low?
Jun 9, 2009 at 2:26 PM
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