PID autotune fail due to temp spike - LulzBot Mini - LulzBot

Quick backstory: I was getting MAXTEMP errors pretty frequently while printing, temp was spiking 25 degrees in 1 second so I knew it was a false reading. Figured it was the thermistor. I got a new thermistor installed and went to do PID autotune and it errored out due to a temp spike. The curve looked great up until the spike. Any thoughts on what else I could look at?

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