# Changed fuel filter but still not working

**URL:** <https://community.cartalk.com/t/changed-fuel-filter-but-still-not-working/156351>\
**Category:** Maintenance/Repairs\
**Created:** [January 11, 2020, 11:48pm UTC](https://community.cartalk.com/t/changed-fuel-filter-but-still-not-working/156351 "2020-01-11T23:48:28Z")\
**Posts on this page:** 6\
**Page:** 1

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**Author:** ![Diarmuid\_Gallagher](https://avatars.discourse-cdn.com/v4/letter/d/3da27b/32.png) [@Diarmuid\_Gallagher](https://community.cartalk.com/u/Diarmuid_Gallagher)\
**Post date:** [January 11, 2020, 11:48pm UTC](https://community.cartalk.com/t/changed-fuel-filter-but-still-not-working/156351/1 "2020-01-11T23:48:28Z")

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Hey guys I was driving today in my corolla and the power I was getting just suddenly dropped to the point I could barely get up hills… changed the fuel filter and it’s still the same. Any ideas what it might be?

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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:** [January 11, 2020, 11:50pm UTC](https://community.cartalk.com/t/changed-fuel-filter-but-still-not-working/156351/2 "2020-01-11T23:50:18Z")

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Check the fuel pressure.

Tester

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**Author:** ![db4690](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/db4690/32/2583_2.png) [@db4690](https://community.cartalk.com/u/db4690)\
**Post date:** [January 12, 2020, 12:25am UTC](https://community.cartalk.com/t/changed-fuel-filter-but-still-not-working/156351/3 "2020-01-12T00:25:57Z")

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Automatic or stick shift . . . ?!

Has the check engine light been on and/or flashing . . . ?!

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**Author:** ![Diarmuid\_Gallagher](https://avatars.discourse-cdn.com/v4/letter/d/3da27b/32.png) [@Diarmuid\_Gallagher](https://community.cartalk.com/u/Diarmuid_Gallagher)\
**Post date:** [January 12, 2020, 9:41am UTC](https://community.cartalk.com/t/changed-fuel-filter-but-still-not-working/156351/4 "2020-01-12T09:41:46Z")

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It’s stick shift and no strange lights have been flashing either… a bit of black smoke from the exhaust too

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**Author:** ![lion9car](https://avatars.discourse-cdn.com/v4/letter/l/59ef9b/32.png) [@lion9car](https://community.cartalk.com/u/lion9car)\
**Post date:** [January 12, 2020, 3:35pm UTC](https://community.cartalk.com/t/changed-fuel-filter-but-still-not-working/156351/5 "2020-01-12T15:35:51Z")

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An exhaust restriction could do this too. Maybe a chunk of your catalytic converter or muffler came loose.

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**Author:** ![oldtimer-11](https://avatars.discourse-cdn.com/v4/letter/o/e79b87/32.png) [@oldtimer-11](https://community.cartalk.com/u/oldtimer-11)\
**Post date:** [January 13, 2020, 5:38am UTC](https://community.cartalk.com/t/changed-fuel-filter-but-still-not-working/156351/6 "2020-01-13T05:38:33Z")

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Have you looked at your air filter lately?