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Discussion Starter · #21 ·
Is cleaning the O2 sensors an option? With what (I have seen throttle body cleaner and dawn detergent)?

Where do I get another O2 sensor? The dealer said $200 for one!
 

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Is cleaning the O2 sensors an option? With what (I have seen throttle body cleaner and dawn detergent)?

Where do I get another O2 sensor? The dealer said $200 for one!
I wouldnt try to clean them. The sensors tpically work by a voltage reading from the chemical reaction in the exhaust pipe. Cleaning might damage the annode/cathode in the sensor.

I got mine from lotusgarage...$160...$200 shipped to my house when I bought it.

DO NOT buy cheap sensors...I found sensors for 30 bucks ( lotus specific) that didn't work. I kept throwing heater circuit codes for the sensors.
 

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Discussion Starter · #23 ·
My idle STFT is well in the positive double digits: 10 to 25. Is this normal?

It drops to between +4 and -4 when I rev it up but at idle, 890 to 1000 RPM, it is high. The rev is not moving by much, it plays around 950.
 

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I have live data plots which I will post as soon as I can connect my OBD-II scanner to the computer.
Were you ever able to pull these? 02 feedback would help solve this problem. STFT looks high to me...
 
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