# Misfiring below 4k

**URL:** <https://forums.speedlife.net/t/misfiring-below-4k/44887>\
**Category:** NYSpeed Automotive\
**Created:** [March 12, 2008, 10:48am UTC](https://forums.speedlife.net/t/misfiring-below-4k/44887 "2008-03-12T10:48:00Z")\
**Posts on this page:** 1\
**Showing post:** 8

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**Author:** ![Johnnyv412](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/johnnyv412/32/5226_2.png) [@Johnnyv412](https://forums.speedlife.net/u/Johnnyv412)\
**Post date:** [March 13, 2008, 7:25am UTC](https://forums.speedlife.net/t/misfiring-below-4k/44887/8 "2008-03-13T07:25:37Z")

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> [@Boomin99GT](#):
>
> Sounded like a MAF problem to me at first but without more info its hard to say.

me too. Maybe it could be a faulty sensor. Try replacing the new knock and o2 sensor with the old ones and see if it changes. I would def try checking the timing too. I find it wierd its not throwing any cells tho…

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