# b16 hesitation troubleshooting, please help

**URL:** <https://forum.g2ic.com/t/b16-hesitation-troubleshooting-please-help/35111>\
**Category:** Hybrids & Advanced Aftermarket Engine Performance\
**Created:** [March 5, 2003, 8:08pm UTC](https://forum.g2ic.com/t/b16-hesitation-troubleshooting-please-help/35111 "2003-03-05T20:08:49Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![system](https://forum.g2ic.com/user_avatar/forum.g2ic.com/system/32/1_2.png) [@system](https://forum.g2ic.com/u/system)\
**Post date:** [March 5, 2003, 8:08pm UTC](https://forum.g2ic.com/t/b16-hesitation-troubleshooting-please-help/35111/1 "2003-03-05T20:08:49Z")

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i just dropped a 1 gen b16a in a 90 ls. every thing is hooked up and im not throwing any codes while driving. right now im running from the headers, and once and a while it smoothes out then it runs crappy, sometimes my rpms jump around like crazy when maintaining steady throtte. anyone with theses problems please help. what can i do to makeit run properly?also my a/f guge is hooked up to the primary o2 sensor, the a/f gauge reads lean when i drive…all this stuff is driving me nutts:bang: