# sr idle will go up and down

**URL:** <https://forums.speedlife.net/t/sr-idle-will-go-up-and-down/110271>\
**Category:** SON240sx Automotive\
**Created:** [October 15, 2007, 11:07am UTC](https://forums.speedlife.net/t/sr-idle-will-go-up-and-down/110271 "2007-10-15T11:07:19Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![Gonad](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/gonad/32/5481_2.png) [@Gonad](https://forums.speedlife.net/u/Gonad)\
**Post date:** [October 16, 2007, 4:45am UTC](https://forums.speedlife.net/t/sr-idle-will-go-up-and-down/110271/4 "2007-10-16T04:45:38Z")

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> [@A BMW Forum find: Detailing no-no's](https://forums.speedlife.net/t/a-bmw-forum-find-detailing-no-nos/14491/10):
>
> I get this occasionally too and for having a small leak in my intake. Im swapping intake manifolds and going with a metal screw, while my intakes off how can i take apart this box and clean it up or replace parts so it works flawlessly?

Remove the IACV, try to preserve the gasket (unless you plan to get another one), clean the shit out of it with throttle body cleaner or whatever to get as much gunk out.

Pretty straight forward; I did mine this summer.

Clean the shit out of your intake manifold while you’re at it.

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