Importance of Reseting Fuel Trim (LTFT)

Let’s talk Reseting Fuel Trim

This is done by disconnecting the battery, waiting for 10 minutes or so, and/or turning the ignition key to the starter position to discharge the system. Note, the code “Erase” button on scanners does not reset the LTFT, at least not on my S70. Not reseting the fuel trims provides for a small chance that your adaptive fuel map could fail to converge and/or become unstable.

Importance of Reseting Fuel Trim (LTFT).

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