MES temp guage Qview

Wow, I have the same smoker and same taylor thermos from target! There MES probe, if I remember correctly is mounted on the back wall upper left hand corner. I would try putting the taylor probe in the exact same location. I have actually never tested it's accuracy and now may try it...

Actually, I think there are two probes. One at the top left corner and then one further down on the lef side. Mine is dead on and regulates very well.

I have the same set up and went through the same question.

Here is what I finally found. This from a previous post.
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Ok, Mystery solved.

The MES has at least one heat sensor that I found. It is mounted on the back wall on the left. It doesn't measure the air temp but the unit itself, makes sense to me. I did another test tonight and made sure the probe was stcking out of the potato at least 1/2 inch. Everything checked out within a few degrees after reaching temps. The Taylor did spike when the heat was on, Now I can understand why. I know the food is always great, according to the charts, ETC.
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Does that make sense?

I hope this solves your problem. I notice in your pic that the MES was in heat mode, light was on. Bring it up to temp and let it sit a bit, then turn on your Taylors with the heater off.

Let me know if this solves your dilema.

Good luck!
Ron