2000 GMC SONOMA SERVICE ENGINE SOON/LOST 4TH GEAR

  • Tiny
  • dward1949
  • 2000 GMC Sonoma

Transmission problem
2000 GMC Sonoma 4 cyl Two Wheel Drive Automatic 82000 miles

I bought a 2000 Sonoma a month ago. Today on the freeway running about 70 the Service Engine Soon light came on, a few minutes later it downshifted to 3rd. Fearing the worst I got off the freeway and took side streets the rest of the way home. It ran ok, shifting was okay, just wouldn't go to 4th.
Ideas?

Monday, January 25th, 2010 AT 3:50 PM

1 Answer

  • Tiny
  • hmac300
  • Expert
  • 43,024 posts

Take this to a trans shop where they an pull the code out of it. I is an trans code so if there is osmething wrong it may tell you but it might be teh trans will need a rebuild.

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Monday, January 25th, 2010 AT 6:26 PM

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