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The engine should not quit with the O2 sensor disconnected...it should run just fine. The whole closed-loop system is only for fine tuning.
0 mA at the EHA means that no correction is being made at all.
You should see a varying mA reading at the EHA, not fixed.
Why not try reading the pin 2-3 duty-cycle output on the round diagnostic socket? It may confirm the problem. I believe 10% fixed would confirm Steve's diagnosis of a bad O2 sensor.
What voltage is the O2 sensor putting out when the engine is running?
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2012 E350
2006 Callaway SC560
Last edited by brewtoo; 03-06-2004 at 05:26 PM.
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