# 2012 Honda Pilot - CEL question

**URL:** <https://community.cartalk.com/t/2012-honda-pilot-cel-question/129218>\
**Category:** Maintenance/Repairs\
**Tags:** honda\
**Created:** [November 20, 2018, 6:13am UTC](https://community.cartalk.com/t/2012-honda-pilot-cel-question/129218 "2018-11-20T06:13:44Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![JodyMcCord](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/jodymccord/32/13885_2.png) [@JodyMcCord](https://community.cartalk.com/u/JodyMcCord)\
**Post date:** [November 20, 2018, 6:13am UTC](https://community.cartalk.com/t/2012-honda-pilot-cel-question/129218/1 "2018-11-20T06:13:44Z")

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My check emission light is on. Last month I took it in for the same problem and was told there were webs to clean out. What else can cause this?

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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:** [November 20, 2018, 1:41pm UTC](https://community.cartalk.com/t/2012-honda-pilot-cel-question/129218/2 "2018-11-20T13:41:40Z")

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Literally hundreds of things can set the light. The error codes need to be read - many auto parts stores will do this for freee - and you can post them here in their form of P1234 and we will try and help.