Why does my RPM guage go up and down?

2001 HYUNDAI ELANTRA
169,500 MILES
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STEVIEBB
  • MEMBER
  • 5 POSTS
While driving, the RPM guage will go up and down but it doesn't cause the car to function differently.
Oct 2, 2012 at 1:54 PM
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STEVIEBB
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  • 5 POSTS
I am on a short Disability Income so I am unable to make a donation. Thank You for your answer.
Oct 2, 2012 at 1:56 PM
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HMAC300
  • ✓ASE Certified Mechanic
  • 48,601 POSTS
  • ASE Certified Mechanic
check your trans fluid and have a trasn guy look at it.they normally dont' charge for an opinion.
Oct 2, 2012 at 2:05 PM
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KHLOW2008
  • ✓ASE Certified Mechanic
  • 41,814 POSTS
  • ASE Certified Mechanic
Does it occur only when stopped and at idle and/or while driving slowly?
Is the Malfunction Indicator Light showing?
Oct 2, 2012 at 2:08 PM
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