GenBoard/VerThree/FlexFuel/HardWare (2023-08-30 13:18:57)

Subpage of GenBoard/VerThree/FlexFuel

Hardware:

This GM / Siemens Fuel Composition Sensor(FCS) current: GM12570260 EOL sensor: 12570250 or Continental SE1004S

Hard to find connector available here: [HU Webshop Ethanol Sensor Connector]

or: [US Webshop Ethanol Sensor Connector]

And a how-to on setting up display in VemsTune is available: [VemsTune FlexFuel Setup Guide]

Sensor reads in Hz.

Basic sensor testing:

Note, sensor stops operating below 5.5 VDC. 16 VDC was the upper end of testing.

.
Hzgasoline EthanolWheel Speed Reading km/h
50100050
5595555
60 - E10901060
65851565
70802070
75752575
80703080
85653585
90604090
95554595
1005050100
1054555105
1104060110
1153565115
1203070120
1252575125
1302080130
135 - E851585135
1401090140
145 - E950595145
15000100150

170Hz is error output (self diagnostics built into sensor)