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I wish it were something simple but the symptoms are more consistent with an issue with the engine compartment cooling system.
The coolant level is near max, the light started to blink well into a drive on a hot day and after turning the car off I heard the engine compartment fan run for the first time.
I suspect either the sensor is telling the system the engine compartment it is too hot (185 degrees?) when it is not (such as the sensor move to an area that is more hot) or the engine compartment system is not operating efficiently.
Since the fan does come on an inoperative fan is ruled out…
Again, any insight into the components of the engine compartment cooling system, and how they interact, appreciated…thanks!
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