Quote:
Originally Posted by steve99
If your using rear 02 for flex input, the tuner dudes will disavle the rear o2 compensations and any cel codes associated with rear o2 so all will be fine
The front o2 is the one use for fueling
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I know, but the rear O2 sensor is used to affect long term fuel trims. That's why Ecutek recommends disabling LTFT when eliminating the rear O2 sensor.