# Horrible Fuel Economy

**URL:** <https://forums.speedlife.net/t/horrible-fuel-economy/109813>\
**Category:** SON240sx Automotive\
**Created:** [September 27, 2007, 9:18am UTC](https://forums.speedlife.net/t/horrible-fuel-economy/109813 "2007-09-27T09:18:49Z")\
**Posts on this page:** 1\
**Showing post:** 7

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**Author:** ![Silvia\_Drift](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/silvia_drift/32/5271_2.png) [@Silvia\_Drift](https://forums.speedlife.net/u/Silvia_Drift)\
**Post date:** [September 27, 2007, 3:27pm UTC](https://forums.speedlife.net/t/horrible-fuel-economy/109813/7 "2007-09-27T15:27:38Z")

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> [@The Pinnacle of Iced out Bling](https://forums.speedlife.net/t/the-pinnacle-of-iced-out-bling/14243/28):
>
> Coolant temp sensor.
> 
> Could be randomly running into cold start mode.
> 
> The FSM tells you how to test it so go test it :o

Hmm, I can’t find this in the FSM. What section is it in?

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