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Home > Forum > Practical Reflash Tuning > Unstable crazy STFT GM ECU

Unstable crazy STFT GM ECU

Practical Reflash Tuning

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Masoud

Masoud Sadeghi

Gold Member

12 Posts

Iran

Hi,

What can cause unstable STFT? It have a constant second o2 sensor error that can't be removed.

The logging video attached.

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20191102_220836.mp4

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