03 hyundai sonata v6 wont shift to 3rd and or 4th gear

2003 HYUNDAI SONATA
150,000 MILES
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JMB8625
  • MEMBER
  • 4 POSTS
Just runs on 1st and 2nd shift but not 3rd or 4th gear
Nov 21, 2011 at 7:42 PM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,248 POSTS
Make sure trans fluid is clean and full. Check for trouble codes stored in the computer.
Nov 21, 2011 at 7:47 PM
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OUTCAST90
  • MEMBER
  • 2 POSTS
I had the same problem. Sounds like a faulty Transmission speed output sensor. I found one for about 40 on ebay. Retail is 80-110 at auto parts stores. Hope this helps
Jan 27, 2012 at 4:26 PM
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