# Check Engine Light comes on when car fully warms up....

**URL:** https://forums.speedlife.net/t/check-engine-light-comes-on-when-car-fully-warms-up/25463
**Category:** NYSpeed Automotive
**Created:** [March 5, 2007, 12:38pm UTC](https://forums.speedlife.net/t/check-engine-light-comes-on-when-car-fully-warms-up/25463 "2007-03-05T12:38:06Z")
**Posts on this page:** 1
**Showing post:** 2

<div class="post-metadata">

### Author: ![ieatpaint](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/ieatpaint/32/7311_2.png) [@ieatpaint](https://forums.speedlife.net/u/ieatpaint)
#### Post date: [March 5, 2007, 3:28pm UTC](https://forums.speedlife.net/t/check-engine-light-comes-on-when-car-fully-warms-up/25463/2 "2007-03-05T15:28:42Z")

</div>

heated oxygen sensor is my guess.

---

_[View the full topic](https://forums.speedlife.net/t/check-engine-light-comes-on-when-car-fully-warms-up/25463)._