# 2012 Nissan Murano - P0746 and P0455

**URL:** <https://community.cartalk.com/t/2012-nissan-murano-p0746-and-p0455/186931>\
**Category:** Maintenance/Repairs\
**Tags:** nissan, murano\
**Created:** [October 16, 2022, 9:42pm UTC](https://community.cartalk.com/t/2012-nissan-murano-p0746-and-p0455/186931 "2022-10-16T21:42:05Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![WadeGGreenwood](https://avatars.discourse-cdn.com/v4/letter/w/258eb7/32.png) [@WadeGGreenwood](https://community.cartalk.com/u/WadeGGreenwood)\
**Post date:** [October 16, 2022, 9:42pm UTC](https://community.cartalk.com/t/2012-nissan-murano-p0746-and-p0455/186931/1 "2022-10-16T21:42:06Z")

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P0746 and p0455 Cleaned maf sensor and thought might need a new one and was told it may be evap vent valve canister/solenoid/tube related. Wondering if anyone has had any similar issues

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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:** [October 17, 2022, 4:36am UTC](https://community.cartalk.com/t/2012-nissan-murano-p0746-and-p0455/186931/2 "2022-10-17T04:36:51Z")

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[https://www.transmissionrepaircostguide.com/p0746/](https://www.transmissionrepaircostguide.com/p0746/)

> **[P0455 Nissan: Code Meaning, Causes, Symptoms, & Tech Notes (With Video)](https://www.engine-codes.com/p0455_nissan.html)**
>
> This diagnosis detects leaks in the Evaporative Emission System (EVAP) purge line using engine intake manifold vacuum. If pressure does not increase, the

Tester

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**Author:** ![asemaster](https://avatars.discourse-cdn.com/v4/letter/a/5f9b8f/32.png) [@asemaster](https://community.cartalk.com/u/asemaster)\
**Post date:** [October 17, 2022, 9:29pm UTC](https://community.cartalk.com/t/2012-nissan-murano-p0746-and-p0455/186931/3 "2022-10-17T21:29:46Z")

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You’ve got 2 separate fault codes, one that tells you there may be a fuel vapor leak and one that tells you there may be a problem internal to the transmission. Why on earth would you be looking at the Mass Air Flow sensor which has nothing to do with either one of those?