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Discussion Starter · #1 ·
2002 s10 crew with 4.3 4x4. 155000 miles. at about 1500rpm 55mph it wants to keep shifting up then down then up then down. rpm goes up to 2200 then back down to 1500(aprox) driving me nuts. It seems to help if I drop it into 3 gear. but I think I still feel it surging. On level ground its not as bad. Its like it cant make up its mind about what it wants to do.
Ideas?

Thank you.
 

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