James Power
If I understand correctly, you have open circuit on the sensor heater, you could possibly eliminate this by introducing a dummy load on the circuit, isolated from the sensor. Something of similar resistance. Reset fuel trims if possible. Clear the codes and see where that leaves you.
Jim.
jim power
Message Thread 
Audi A3 1.6v AKL 2000 - Oxygen sensor fault, codes 027B & 020D - Fixed # - Kieron Grimley June 26, 2012, 8:39 pm
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on June 27, 2012, 11:43 pm, in reply to "