# 2005 Toyota 4Runner - O2 issue

**URL:** <https://community.cartalk.com/t/2005-toyota-4runner-o2-issue/143600>\
**Category:** Maintenance/Repairs\
**Tags:** toyota\
**Created:** [July 3, 2019, 7:50pm UTC](https://community.cartalk.com/t/2005-toyota-4runner-o2-issue/143600 "2019-07-03T19:50:53Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![GarySBurchard](https://avatars.discourse-cdn.com/v4/letter/g/e99b99/32.png) [@GarySBurchard](https://community.cartalk.com/u/GarySBurchard)\
**Post date:** [July 3, 2019, 7:50pm UTC](https://community.cartalk.com/t/2005-toyota-4runner-o2-issue/143600/1 "2019-07-03T19:50:53Z")

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No electricity to passenger side #2 down stream O2sencer check engine light keeps coming back on when reset.This may be intermittent problem has passed smog before then light comes on again.

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**Author:** ![CapitalTruck](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/capitaltruck/32/16592_2.png) [@CapitalTruck](https://community.cartalk.com/u/CapitalTruck)\
**Post date:** [July 6, 2019, 12:55pm UTC](https://community.cartalk.com/t/2005-toyota-4runner-o2-issue/143600/2 "2019-07-06T12:55:35Z")

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Have you verified with multi-meter that there is indeed no current running to it?