# 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:** 23

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**Author:** ![nitroinsane](https://avatars.discourse-cdn.com/v4/letter/n/d26b3c/32.png) [@nitroinsane](https://forums.speedlife.net/u/nitroinsane)\
**Post date:** [April 3, 2008, 12:53pm UTC](https://forums.speedlife.net/t/misfiring-below-4k/44887/23 "2008-04-03T12:53:20Z")

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Just because it has a knock sensor and a o2 sensor code does not mean those are the problems. maybe its time to stop throwing parts at it and contact a professional

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