Question about 1997 Chevrolet Tahoe

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Hard shift after 10 to 15 miles of highway driving

I am getting false codes when the service engine soon light comes on,for the fix. i can't find a mechanic that can figure out this problem!!!!!!

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I changed the air mass sencor and throttle boby,and it went away.

Posted on Oct 23, 2009

  • salinas_isma Oct 23, 2009

    i changed the air mass sensor and the throttle postion sencor and went away.

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I have a 97 tahoe and had the same problem. it is the valve body. it would be fine around town but when i drove a little on the highway then stopped every time it shifted out of first it was a very hard shift. if i turned the truck off for a minute then started it it would stop. after replacing the valve body it never happened again and i have driven ~40,000 more miles. it gave me some code like transfer case switch but that had nothing to do with it.

Posted on Aug 28, 2009

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If you can give me the codes I can help you out with the problem.

Posted on Aug 02, 2009

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