AFT Tune causes Limp Mode?

FlashPro questions & answers specific to the 2006-2011 Americas Civic Si
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Brayx4
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Joined: Wed Dec 14, 2016 1:17 pm

AFT Tune causes Limp Mode?

Post by Brayx4 »

Hello, all. I have a 2006 Civic Si and currently live tuning "Active fuel tuning high" and "Active fuel tuning low" and I get a check engine light and the vehicle goes into what I think is Limp Mode. I cannot go above 3,000RPM. Could somebody take a look at my calibration and datalog to see why this is happening? Thanks
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Jun43
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Re: AFT Tune causes Limp Mode?

Post by Jun43 »

says you have a p0101 cel MAF sensor
Brayx4
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Re: AFT Tune causes Limp Mode?

Post by Brayx4 »

Jun43 wrote: Tue Oct 10, 2017 5:49 pm says you have a p0101 cel AFM sensor
I understand it shows that code. I would just like to know what causes it or if the sensor may need to be replaced. I am sure it is because of the tune, because I can run the default calibrations Hondata offers just fine
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Hondata
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Re: AFT Tune causes Limp Mode?

Post by Hondata »

P0101 is when the MAP does not match the AFM. You can either tune both the speed density tables and the AFM calibration, or disable the P0101 error if only using speed density.
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Brayx4
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Re: AFT Tune causes Limp Mode?

Post by Brayx4 »

Hondata wrote: Wed Oct 11, 2017 9:43 am P0101 is when the MAP does not match the AFM. You can either tune both the speed density tables and the AFM calibration, or disable the P0101 error if only using speed density.
Thank you! How would I go about doing tuning the Speed Density and AFM? Can I do it though Live Tuning? Thank you again!
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Hondata
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Re: AFT Tune causes Limp Mode?

Post by Hondata »

If the vehicle is stock then I would use the AFM tables only, and enable active tuning on those tables, and drive it a week and see what the fuel trims are like. If it has just an intake I would do the same thing.
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