# Why don’t motor mounts trigger the CEL?

**URL:** <https://community.cartalk.com/t/why-don-t-motor-mounts-trigger-the-cel/153880>\
**Category:** Maintenance/Repairs\
**Tags:** corolla, toyota\
**Created:** [December 1, 2019, 7:05pm UTC](https://community.cartalk.com/t/why-don-t-motor-mounts-trigger-the-cel/153880 "2019-12-01T19:05:29Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![DG27](https://avatars.discourse-cdn.com/v4/letter/d/bbe5ce/32.png) [@DG27](https://community.cartalk.com/u/DG27)\
**Post date:** [December 1, 2019, 7:05pm UTC](https://community.cartalk.com/t/why-don-t-motor-mounts-trigger-the-cel/153880/1 "2019-12-01T19:05:29Z")

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Why do motor mount problems not trigger the check engine sign?

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**Author:** ![Mustangman](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/mustangman/32/44130_2.png) [@Mustangman](https://community.cartalk.com/u/Mustangman)\
**Post date:** [December 1, 2019, 7:20pm UTC](https://community.cartalk.com/t/why-don-t-motor-mounts-trigger-the-cel/153880/2 "2019-12-01T19:20:28Z")

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Because they are (usually) dumb hunks of rubber with no sensors inside them to trigger an error.