Forgive me, if I ask something that seems common for you folks, but my 2007 Toyota Camry, (4-Cylinder, using regular Unleaded gas, 246,000 miles) on the odometer has begun to run really hot in the past week, and it happens very quickly. The thermostat will go from mid-line to nearly max red zone within a few seconds.
I checked the coolant, thinking maybe I was low or it had leaked out without my noticing, and it’s actually still more or less full (at the F line) from when I filled it a few months ago.
It only occurs within the first 15 or so minutes of me starting and driving the car, and if I’m able to come to a stop before then, the temperature quickly drops back to mid-level within about the same amount of time it took to climb up.
A couple stoplights have actually saved me from overheating. Never thought I would want to hit red lights.
I’m not sure what to check, and I know it’ll have to go into a shop, but I suppose I’m just wondering what’s going on and if I can remedy it at home.
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You should check the cooling fan relay first to see of your radiator fan is switching on. Under the hood there’s a relay box with diagrams, you simply pull it out. Try switching the cooling fan with a similarly rated relay. In my crv, the cooling fan and the horn use the same relay so I can just switch those out to test, I don’t know if it’s the same with camrys. Start the car and wait about 15-20 min for the engine to reach temp and see if the radiator fan switches on. If it does, then that’s your problem.