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ECU limited by stock O2


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"Okay, Houston... we've had a problem here.”


Your US model V11 didn’t come with the O2 sensor p6x - which creates the closed-loop feedback to the ECU refining the STFT & LTFT functions.

As Mr Cameron pointed out, “If there is an oxygen sensor in the exhaust system, it detects any deviation from the desired mixture and the ECU corrects it.”

The Italian’s discovered the MG oem sensor was flawed (as did Fiat).

Only relevant for those V11’s 15RC O2 equipped - swapping the sensor unleashes the ECU to perform optimally.

Good luck with tyre!

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