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Quick question:
Does clearing engine codes with the OFT reset fuel trims?
When I left for work today, the car gave me CEL and airbag light after a few meters. So I stopped - checked the code (U0073 - CAN COMMUNICATION BUS A OFF) - reset it. Thereafter I turned off the car, reconnected OFT and everything was normal again.
However my LTFT was 0% most of the 30 minute drive to work, which seems to good to be true. It did however vary a bit, mostly at idle with 0.78%. I've just passed 100 km since last flash...
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