Toggle Closed Loop - Edelbrock Pro-Tuner User Manual

Advanced Tuning with the Pro Tuner System 177
5.3

Toggle Closed Loop

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Toggle Closed Loop
This This feature toggles on/off the Closed Loop Correction (CLC) feature.
The driver's side sensor is always the primary sensor. Always plug into the driver side only
when using a single sensor. If using dual sensors, the system will perform the closed loop
correction based upon the leanest bank's feedback.
The Closed Loop feature uses the O2 sensor to make fueling corrections as part of the
Learning/Adaptation feature. There may be situations where you wish to DISABLE this
feature so that you can make adjustments to the VE map or Air Fuel Target map without
the system adapting the CLC map.
In that case, you would toggle the Closed Loop Feature to DISABLED (Green LED will be
dark) and then make your changes. This will disable the Closed Loop control until you
toggle the button back on.