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by northernlights
14 Nov 2014, 15:50
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Re: Importance of Reseting Fuel Trim (LTFT).

When I replaced a set of stock injectors with slightly larger ones, it took about 30 minutes for the LTFT to settle at a final value. The STFT was a different story - that was an instant response down to -20%. And FWIW, I didn't reset the LTFT, mostly by accident as I assumed pulling the ECU would c...