# running lean/rmp limiter

**URL:** <https://forums.speedlife.net/t/running-lean-rmp-limiter/102877>\
**Category:** SON240sx Automotive\
**Created:** [January 7, 2007, 9:33pm UTC](https://forums.speedlife.net/t/running-lean-rmp-limiter/102877 "2007-01-07T21:33:20Z")\
**Posts on this page:** 1\
**Showing post:** 19

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**Author:** ![Keez](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/keez/32/5570_2.png) [@Keez](https://forums.speedlife.net/u/Keez)\
**Post date:** [January 9, 2007, 9:33pm UTC](https://forums.speedlife.net/t/running-lean-rmp-limiter/102877/19 "2007-01-09T21:33:13Z")

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> [@What's a good turbo timer?](https://forums.speedlife.net/t/whats-a-good-turbo-timer/10886/23):
>
> pull your plugs and see how they look. If your convinced the motor is running lean, and if it actually is, you’ll be able to tell right away form reading the plugs.

there is no chance seeing how i have no o2 that it would be a rich idle but a lean boost? im not gunna boost the jazz out of my car and shut it down right away lol, but i dont know if u can still tell even after u let it idle for a min.

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