Engine Temperature
This sensor should use Analog Input Channels 7 -12 as these have configurable pull-up resistors. Recommended channel for Engine Temperature is Analog Input Channel 7.
Filter Settings
FIlter Setting Minimum = 0 (OFF)
FIlter Setting Maximum = 50
Recommended Filter Range = 40 - 45
Specs
Minimum Value = -50.0 DegC
Maximum Value = 250.0 DegC
Resolution = 0.1 DegC
Accuracy = +/-0.5 DegC
The ECU measures the 5V pull-up supply, then applies a ratio-metric correction to give very accurate measurements.