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Discussion Starter #1
After removing my turbo kit, I hoped that a reflash might help cure the 0171 code that I couldn't track down. Plus it seemed like a good idea after removing the piggy back computer. The Lotus dealership said I had a bad o2 sensor (bank 1, no preheat, no signal) having just replaced the Cat with a used one the night before, I figured that I had tweaked the wire.
I bought a new sensor, but skipped the 2.5 hour labor charge to install it. After 20 minutes I had the sensor in, but the codes are back. The code is for bank 1, pre-cat. So, it should not be for a bad cat.
Any thoughts? Maybe the ECU had been flashed to ignore the codes?
 

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Discussion Starter #2
Bump, Anyone have a thought on why the o2 sensor would still be on after replacing and clearing codes?
 
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