# Surging rpm when coating down hills - auto trans

**URL:** <https://community.cartalk.com/t/surging-rpm-when-coating-down-hills-auto-trans/5229>\
**Category:** Maintenance/Repairs\
**Created:** [September 28, 2007, 5:32pm UTC](https://community.cartalk.com/t/surging-rpm-when-coating-down-hills-auto-trans/5229 "2007-09-28T17:32:08Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![nosedansus](https://avatars.discourse-cdn.com/v4/letter/n/ecc23a/32.png) [@nosedansus](https://community.cartalk.com/u/nosedansus)\
**Post date:** [September 28, 2007, 5:32pm UTC](https://community.cartalk.com/t/surging-rpm-when-coating-down-hills-auto-trans/5229/1 "2007-09-28T17:32:08Z")

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this is my third post today - i am full of prolems. I pick up my new car at the dealer tomorrow (none too soon) but this is about one I’m selling:  
  
  
  
 '89 Cary, auto, runs great, EXCEPT: When coasting down long (but not particularly steep) hills, the engine sometimes surges about 1000 rpm several times, so the ar feels all jerky. Could this be a problem that would end up getting worse for the next owner?