03 hyundai sonata v6 wont shift to 3rd and or 4th gear
2003 HYUNDAI SONATA
150,000 MILES
JMB8625
MEMBER
4 POSTS
FOLLOW
Just runs on 1st and 2nd shift but not 3rd or 4th gear
Nov 22, 2011 at 3:42 AM
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JACOBANDNICKOLAS
CERTIFIED EXPERT
110,175 POSTS
Make sure trans fluid is clean and full. Check for trouble codes stored in the computer.
Nov 22, 2011 at 3:47 AM
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