# Misfiring or something

**URL:** <https://community.cartalk.com/t/misfiring-or-something/33459>\
**Category:** Maintenance/Repairs\
**Tags:** ford, f150\
**Created:** [July 15, 2009, 7:57pm UTC](https://community.cartalk.com/t/misfiring-or-something/33459 "2009-07-15T19:57:00Z")\
**Posts on this page:** 6\
**Page:** 1

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**Author:** ![hazzrl](https://avatars.discourse-cdn.com/v4/letter/h/87869e/32.png) [@hazzrl](https://community.cartalk.com/u/hazzrl)\
**Post date:** [July 15, 2009, 7:57pm UTC](https://community.cartalk.com/t/misfiring-or-something/33459/1 "2009-07-15T19:57:00Z")

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Truck is sluggush between 45/50 miles per hr…1999

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**Author:** ![oldschool](https://avatars.discourse-cdn.com/v4/letter/o/e19adc/32.png) [@oldschool](https://community.cartalk.com/u/oldschool)\
**Post date:** [July 15, 2009, 8:10pm UTC](https://community.cartalk.com/t/misfiring-or-something/33459/2 "2009-07-15T20:10:18Z")

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You really don’t give much to go on. Have you checked anything? hows the gas mileage been,steady or have you seen a significant decline? what about maintiance history?

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**Author:** ![the\_same\_mountainbike](https://avatars.discourse-cdn.com/v4/letter/t/c89c15/32.png) [@the\_same\_mountainbike](https://community.cartalk.com/u/the_same_mountainbike)\
**Post date:** [July 15, 2009, 11:52pm UTC](https://community.cartalk.com/t/misfiring-or-something/33459/3 "2009-07-15T23:52:50Z")

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And miles, and condition, and engine, and transmisison, and how is it above 50?

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**Author:** ![UncleTurbo](https://avatars.discourse-cdn.com/v4/letter/u/e9a140/32.png) [@UncleTurbo](https://community.cartalk.com/u/UncleTurbo)\
**Post date:** [July 16, 2009, 12:07am UTC](https://community.cartalk.com/t/misfiring-or-something/33459/4 "2009-07-16T00:07:50Z")

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I’d suspect the ignition coils that sit on top of each spark plug. Perhaps one or more of them are going bad on you. Pretty common problem on Ford engines.

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**Author:** ![ok4450](https://avatars.discourse-cdn.com/v4/letter/o/e9bcb4/32.png) [@ok4450](https://community.cartalk.com/u/ok4450)\
**Post date:** [July 16, 2009, 12:13am UTC](https://community.cartalk.com/t/misfiring-or-something/33459/5 "2009-07-16T00:13:04Z")

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And what kind of truck are you talking about?

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**Author:** ![hazzrl](https://avatars.discourse-cdn.com/v4/letter/h/87869e/32.png) [@hazzrl](https://community.cartalk.com/u/hazzrl)\
**Post date:** [July 17, 2009, 2:46am UTC](https://community.cartalk.com/t/misfiring-or-something/33459/6 "2009-07-17T02:46:17Z")

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f-150 1999 V6 4.6 130000 miles No light showing on dash