# Egr temperature switch

**URL:** <https://community.cartalk.com/t/egr-temperature-switch/33447>\
**Category:** General Discussion\
**Tags:** toyota, camry\
**Created:** [July 15, 2009, 3:56pm UTC](https://community.cartalk.com/t/egr-temperature-switch/33447 "2009-07-15T15:56:52Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![kimgar](https://avatars.discourse-cdn.com/v4/letter/k/bbce88/32.png) [@kimgar](https://community.cartalk.com/u/kimgar)\
**Post date:** [July 15, 2009, 3:56pm UTC](https://community.cartalk.com/t/egr-temperature-switch/33447/1 "2009-07-15T15:56:52Z")

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what is the seqquenceof operation of the egr temperature switch?

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**Author:** ![oldschool](https://avatars.discourse-cdn.com/v4/letter/o/e19adc/32.png) [@oldschool](https://community.cartalk.com/u/oldschool)\
**Post date:** [July 15, 2009, 5:21pm UTC](https://community.cartalk.com/t/egr-temperature-switch/33447/2 "2009-07-15T17:21:24Z")

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In general EGR operation is inhibited when the engine is cold. I always wonder about these “poker face” posts. The OP clearly does not want to reveal his hand (the story).

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**Author:** ![mcparadise](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/mcparadise/32/32_2.png) [@mcparadise](https://community.cartalk.com/u/mcparadise)\
**Post date:** [July 15, 2009, 11:42pm UTC](https://community.cartalk.com/t/egr-temperature-switch/33447/3 "2009-07-15T23:42:07Z")

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Either that or the OP is in school and this is a test question.

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**Author:** ![oldschool](https://avatars.discourse-cdn.com/v4/letter/o/e19adc/32.png) [@oldschool](https://community.cartalk.com/u/oldschool)\
**Post date:** [July 15, 2009, 11:45pm UTC](https://community.cartalk.com/t/egr-temperature-switch/33447/4 "2009-07-15T23:45:19Z")

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I confess to using the net for reasearch also but not during a test.