I have the same problem with my T5 vehicle. just detecting the mistake? can you help me

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 ...