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Review on 🌬️ Enhanced Cooling Performance: Radiator Control Module for Lexus ES GS is LS RC RX, Toyota Avalon Camry Highlander Rav4 Sienna Venza - 89257-30060 ECU ECM Unit by Jason Clemons

Revainrating 4 out of 5

2010 Toyota Sienna - Coolant Overflow

I had a fan that came on when the air conditioning was on but didn't come on at other times - this caused the coolant to overflow from the reservoir. Temperature control unit exchanged - the problem did not go away. I then replaced the engine coolant temperature sensor - the problem was resolved.

Pros
  • Automotive
Cons
  • Hard to tell