FK8 WOT air fuel jumping after install MAF 500

FK2 Civic Type R 2015-2017, FK8 Civic Type R 2017-2021, FL5 Civic Type R 2023+ and Integra Type S 2024+
Post Reply
bestlap
Posts: 30
Joined: Sun Nov 05, 2006 11:48 pm

FK8 WOT air fuel jumping after install MAF 500

Post by bestlap »

hello,

please help check this log on WOT the AF not stable after changed the MAF500


thank you

FK8 with Mit turbo
hondata fuel kit
You do not have the required permissions to view the files attached to this post.
User avatar
Hondata
Site Admin
Posts: 10615
Joined: Thu Aug 15, 2002 12:13 pm
Location: Torrance, CA
Contact:

Re: FK8 WOT air fuel jumping after install MAF 500

Post by Hondata »

Fuel trims seem acceptable. Only thing I see is that the MAP is fluctuating a lot but the BP is not as much.

Calibration? What injectors?
Hondata
bestlap
Posts: 30
Joined: Sun Nov 05, 2006 11:48 pm

Re: FK8 WOT air fuel jumping after install MAF 500

Post by bestlap »

Hondata 1330cc injector come with the fuel kit

thanks for checking
You do not have the required permissions to view the files attached to this post.
User avatar
Hondata
Site Admin
Posts: 10615
Joined: Thu Aug 15, 2002 12:13 pm
Location: Torrance, CA
Contact:

Re: FK8 WOT air fuel jumping after install MAF 500

Post by Hondata »

Clear the live tuning when you are done tuning and re-upload.

Otherwise the calibration has most of the limits increased all the way to maximum and many errors disabled, so that makes it hard to diagnose. If you still have problems then you should go back to a tuned calibration and check operation.
Hondata
FK8_Hoonigan
Posts: 41
Joined: Tue Mar 09, 2021 11:02 am
Location: OH
Contact:

Re: FK8 WOT air fuel jumping after install MAF 500

Post by FK8_Hoonigan »

MAF500 can be tricky to tune right, it took me many revisions to get it running great, and when i did the scaling was quite off from the built in preset.

From the get-go i see few things i would change. AFCMD is quite rich across the board. I would definetely change that. You got some limits maxed and handful tweaks not helping either.
AFM scale can also use some work. Your AFMv and AFM values fluctuate a lot during your pulls and its contributing to the oscillation.

Trust me, i know, i ran this sensor for over 2 years. Tuned a handful on folks on it too. Very sensitive.
GARIX Tuning
2021 R-39464
https://dot.cards/garix
Post Reply