# Car misfiring

**URL:** <https://community.cartalk.com/t/car-misfiring/74083>\
**Category:** Maintenance/Repairs\
**Tags:** hyundai, elantra\
**Created:** [August 14, 2012, 7:42pm UTC](https://community.cartalk.com/t/car-misfiring/74083 "2012-08-14T19:42:44Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![jengrus](https://avatars.discourse-cdn.com/v4/letter/j/e68b1a/32.png) [@jengrus](https://community.cartalk.com/u/jengrus)\
**Post date:** [August 14, 2012, 7:42pm UTC](https://community.cartalk.com/t/car-misfiring/74083/1 "2012-08-14T19:42:44Z")

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I have a 2002 Elantra that has been in shop 3xs for same thing. The car says it is missfiring on 1 and I have changed wires, coil pack and spark plugs with no success. Please help!!!

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**Author:** ![RemcoW](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/remcow/32/2471_2.png) [@RemcoW](https://community.cartalk.com/u/RemcoW)\
**Post date:** [August 14, 2012, 8:13pm UTC](https://community.cartalk.com/t/car-misfiring/74083/2 "2012-08-14T20:13:56Z")

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Could be many things. Does it do it standing still or only at higher speeds?

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**Author:** ![mleich](https://avatars.discourse-cdn.com/v4/letter/m/71c47a/32.png) [@mleich](https://community.cartalk.com/u/mleich)\
**Post date:** [August 14, 2012, 9:35pm UTC](https://community.cartalk.com/t/car-misfiring/74083/3 "2012-08-14T21:35:36Z")

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Check compression in all cylinders. You may have a bad valve or worn rings.

What kind of “shop” have you taken it to?