# Black residue on bottom of my air box

**URL:** <https://community.cartalk.com/t/black-residue-on-bottom-of-my-air-box/157222>\
**Category:** Maintenance/Repairs\
**Tags:** dodge, ram-1500\
**Created:** [January 24, 2020, 11:06pm UTC](https://community.cartalk.com/t/black-residue-on-bottom-of-my-air-box/157222 "2020-01-24T23:06:57Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Drewsgaragellc\_162456](https://avatars.discourse-cdn.com/v4/letter/d/bbe5ce/32.png) [@Drewsgaragellc\_162456](https://community.cartalk.com/u/Drewsgaragellc_162456)\
**Post date:** [January 24, 2020, 11:06pm UTC](https://community.cartalk.com/t/black-residue-on-bottom-of-my-air-box/157222/1 "2020-01-24T23:06:57Z")

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I removed the air box from my pickup because it was running rough and missing bad and found black residue all over bottom of air box ! What should I look at ?