# 2012 Infiniti G37 Sedan - Smog failure with every code

**URL:** <https://community.cartalk.com/t/2012-infiniti-g37-sedan-smog-failure-with-every-code/157800>\
**Category:** Maintenance/Repairs\
**Tags:** infiniti\
**Created:** [February 2, 2020, 8:21pm UTC](https://community.cartalk.com/t/2012-infiniti-g37-sedan-smog-failure-with-every-code/157800 "2020-02-02T20:21:22Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![leontan](https://avatars.discourse-cdn.com/v4/letter/l/9de053/32.png) [@leontan](https://community.cartalk.com/u/leontan)\
**Post date:** [February 2, 2020, 8:21pm UTC](https://community.cartalk.com/t/2012-infiniti-g37-sedan-smog-failure-with-every-code/157800/1 "2020-02-02T20:21:22Z")

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Took my infiniti 2012 G37 for smog test.Fail withh long list of P0031,P0037,P0051,P0057,P0130,P1148 andP1168.

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**Author:** ![Purebred](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/purebred/32/46796_2.png) [@Purebred](https://community.cartalk.com/u/Purebred)\
**Post date:** [February 2, 2020, 10:49pm UTC](https://community.cartalk.com/t/2012-infiniti-g37-sedan-smog-failure-with-every-code/157800/2 "2020-02-02T22:49:48Z")

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Wow, all those codes and you never got a CEL?

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**Author:** ![Tester](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/tester/32/15976_2.png) [@Tester](https://community.cartalk.com/u/Tester)\
**Post date:** [February 2, 2020, 10:51pm UTC](https://community.cartalk.com/t/2012-infiniti-g37-sedan-smog-failure-with-every-code/157800/3 "2020-02-02T22:51:49Z")

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Every one of those codes points to a problem with the air-fuel/oxygen sensors.

Tester