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Dualxeon64

Spartan wideband with mr2link tst185 ecu

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Black wire to s-gnd, green wire to any of volt4-6. Then configure that ANVolt channel to be lambda1 in the ecu.

connect red & white to switched power (from any relay) & to chassis ground.

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1 hour ago, Dualxeon64 said:

Possible bad afr controller?

Unlikely.  Attach a pic of you AN Volt 5 settings and the cal table you have assigned.

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Obviously it is not going to work when your cal table is set to KPa and every cell has a zero in it.

For a linear sensor such as a wideband device you should use cal 4, 5 or 6 and set it as below.

28dNeO1.png 

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