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glitch at 45mph

478 views 0 replies 1 participant last post by  Superfly77 
#1 ·
Need help with diagnosing a glitche (stutter) when automatic trans shifts from 2nd to 3rd. Doesn't happen when shifting from 1st to 2nd. RPM is always around 1800-2000. Throttle pedal is about 1/3 to 2/3 on. Basically on a small incline or hill. Acts like motor wants to shut off for a second. Never dies though and will keep doing it as long as you keep RPM steady, and MPH same. No codes. Replaced TPS sensor, no change. Did trans service and adjusted both bands. Maybe torque converter trying to lock up or not?
Any help would be appreciated. Thanks
 
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