https://docs.emtronaustralia.com.au/engine-management/config/channels/manifold-pressure-input/index.htmlManifold Pressure Input Filter Settings FIlter Setting Minimum = 0 (OFF) FIlter Setting Maximum = 50 Recommended Filter Range = 15 - 25. This setting is heavily dependent on engine setup and the stability of the MAP signal at idle. Engines with large overlapping camshafts for example, will most likely need a larger filter value to achieve a more stable MAP signal.Hugoen-us