Taz 3 20-25C temperature discrepancy

So using a Fluke 87V and a thermocouple, I measured the temperature just right underneath the heating block and nozzle. I seem to consistently be getting 20-25C discrepancy (Taz indicating higher than actual/measured temperature) It seems if I measure the temp of the actual resistor, the indications are correct, however, if I measure the block/nozzle area it’s about 20C lower which is possibly why I’ve been consistently having trouble printing ABS. Anyone else have issues with this? Btw it’s the stock hot end.

Did you check the resistance of the thermistor itself? It may be failing.

Im doing another print right now at 240C. Ill measure the resistance after the print. So Im looking for 4.7 ohms?