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Map sensor calibration for K20z3
Posted: Tue Jul 25, 2017 7:56 pm
by silva1320
I´m kinda lost on how to calibrate this 4 bar k-series calculator.
My info on it is as followed.
Volts 0.56 1.16 1.77 2.37 2.98 3.58 4.19 4.8
KPA 50 100 150 200 250 300 350 400
thanks!!!
Re: Map sensor calibration for K20z3
Posted: Wed Jul 26, 2017 8:46 am
by Hondata
scalar 825 mbar/volt
offset -412 mbar
It looks a little like the AEM 3.5 bar sensor.
Re: Map sensor calibration for K20z3
Posted: Wed Jul 26, 2017 8:00 pm
by silva1320
Thanks, I just realized my friend has a Flash pro, Can I tune with this map sensor on flash pro? thanks!
Re: Map sensor calibration for K20z3
Posted: Thu Jul 27, 2017 9:18 am
by Spunkster
No that sensor is not supported in the FlashPro. You cannot enter custom MAP calibrations. You can use only a stock sensor, a Hondata MAP sensor or the RDX sensor.
Re: Map sensor calibration for K20z3
Posted: Sun Sep 10, 2017 1:52 pm
by silva1320
I´m back again friends. Could someone kindly check my math for a custom 4bar sensor?
The values I came back with at the bench are as followed
Pressure in Kpa : 20 30 40 50 60 70 80 90 100 200 300 400
Voltas 0.39 0.50 0.62 0.73 0.85 0.96 1.08 1.19 1.31 2.45 3.60 4.75v
0.390V@200Mbar
4.750V@4000Mbar
3800/4.36 = 871.5 scalar
871.5X0.39 = -339,88
Scala 871 offset -340
Thank you very much !
Re: Map sensor calibration for K20z3
Posted: Sat Sep 16, 2017 9:19 am
by Hondata
Scalar 871.5, offset -240
Re: Map sensor calibration for K20z3
Posted: Thu Sep 21, 2017 11:34 am
by silva1320
How did you get -240 iff the initial voltage is 0.39? I dont get it
Re: Map sensor calibration for K20z3
Posted: Thu Sep 21, 2017 12:32 pm
by Hondata
My mistake, the offset is -140.
If the lowest value is 200mbar @ 0.39 and the scalar is 871.5 mbar/volt, then the intercept is 0.39*871.5 (340 mbar) lower than the lowest value, so 200-340 = -140.