# \#map-sensor

**URL:** https://community.tunersguild.com/tag/map-sensor/98.md

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## [How do I compensate a 2.0 → 2.5 gasoline displacement swap on a DENSO ECU?](https://community.tunersguild.com/t/how-do-i-compensate-a-2-0-2-5-gasoline-displacement-swap-on-a-denso-ecu/83)

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**Author:** [@ThomasPirowski](https://community.tunersguild.com/u/ThomasPirowski)\
**Replies:** 0\
**Last updated:** [April 25, 2026, 6:16am UTC](https://community.tunersguild.com/t/how-do-i-compensate-a-2-0-2-5-gasoline-displacement-swap-on-a-denso-ecu/83 "2026-04-25T06:16:28Z")

</div>

A 2.0 → 2.5 displacement swap on a DENSO ECU requires two separate scalings, not one. Scale MAF down 15-20% (not 25%) to prevent “too extensive flow” error codes without overcompensating EGR recirculation. Scale MAP-driv…