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GertSpring
Tacoma AC and Temperature Sensor Issue
4 comment(s)
GertSpring (Author)
Coolant levels are fine. The AC is just dead, won't engage at all. And yes, I should have mentioned that the temperature gauge fluctuates wildly, seemingly caused by problems with the temperature sensor. The readings are all over the place. You mentioned that you had a similar issue: was it also related to the AC?
janathunder1
Yep, fluctuating temperature gauge plus a dead AC sounds very familiar. Turned out to be exactly as you suggested: problems with the AC control unit. I'd suggest taking it to a trusted workshop to confirm the likely cause before replacing parts, since messing with the refrigerant isn't something you can do at home.
GertSpring (Author)
Thanks for confirming. I will take your advice and bring it to the shop to take care of it. Hopefully, it's just the AC control unit, but your experience is useful.
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janathunder1
I had something similar happen on my Tacoma. Is your temperature gauge reading incorrectly, or does the AC just refuse to turn on completely? Could also be related to a coolant leak affecting the cooling system, which messes with engine cooling and the HVAC system altogether. Have you checked the coolant level recently?