[Diy_efi] MAP Sensor

[Eric Fahlgren]

Kent Martin wrote:
> 
> How does one accommodate for air temperature when using a MAP sensor lookup?
> Do you add a ratio of the temperature to the map index?
> If the temperature was included as an index then you would need a three
> dimensional
> array for RPM, air temp, and manifold pressure. How do you get around this
> so only
> 2D table is needed?

No, just scale the result by temperature.  Density is linearly proportional
to both pressure and temperature, so they are simple scalars in the PW
calculation.

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