2003 Kia Rio 2003 rio stuttering

2003 KIA RIO
20,000 MILES • 4 CYL • FWD • AUTOMATIC
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RICH88
  • MEMBER
  • 1 POST
rio runs fine in park and nuetral revs up and down ok.get on highway wants to bog down and not shift right.shop scanner said to replace crank sensor but didn't make much difference.maybe transmission problem?seems longer car runs the worse it gets.any suggestions?
Feb 20, 2009 at 6:27 PM
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JACOBANDNICKOLAS
  • ✓ASE Certified Mechanic
  • 110,194 POSTS
  • ASE Certified Mechanic
Has anyone checked the fuel pump pressure?
Jun 9, 2009 at 2:35 PM
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