Hondata

Problem Resolved- In the odd chance someone has the perfect storm I experienced, I will update the post to help out.

Found that the header had a tiny weld crack. Got lucky watching a YT video of a turbo Miata troubleshoot issues and got the idea. As I let off the accelerator, it would suck in air ...

Sorry, got busy with work this week. I do not have anyone local to test with. Will check around for someone.

The serial Number is 63587. I assume its the one on the sticker correct?

I took the car out to get a data log to accompany the post. Some things have changed but Its still spiking AFR as soon as I let off the throttle. I live near a interstate on and off ramp so that allowed me to get on the throttle a bit. High RPM spots are on/off ramps followed by stopping at the ...

Happy New Year all!

I've been racking my brain with this issue for far too long. Any direction or suggestions would be greatly appreciated.

Vehicle
04 2000
K24A swapped
K-pro V4
Rywire Harness
S2000 Modified Intake Manifold
Type S oil pump/50 Degree Cam
Modified OE header
AC
OE Cat
HKS Single ...