I have very little experience working on non lambda KE cars.

Without an O2 sensor you should probably get to 0.0ma at idle. I think you should have no enrichment from zero except for airflow potentiometer initiated acceleration enrichment and temp sensor based cold enrichment. You should see decel fuel shut off -60ma on decel. You might look at the coolant sensor.

I do find it illogical for you to have 11ma EHA current warm without O2 sensors. That is a base zero car isn't it? The onlt cars I know of that aren't base zero are the early 190s and they are base 8ma because they can not go negative current.

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Steve Brotherton
Continental Imports
Gainesville FL
Bosch Master, ASE Master, L1
33 years MB technician