If you are street tuning the car, you need to have traction control turned OFF. Failure to turn off traction control will result in throttle closures and inconsistent data. Drive safely and on a closed course only. If you are tuning on the dyno, the car must be in “Dyno Mode” which is activated using a Porsche PIWIS tool. Failure Failure to use dyno mode will cause throttle closure and inconsistent data. Dyno charts will also read low.
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