My car overheats when I'm driving but the temperature gauge goes up and down. I'm live in new Mexico, exactly at bernalillo and we been having very hot heatwaves. I already changed water pump, radiator cap, and thermostat, and heat sensor. I just change a hose that goes to the engine because it had a rupture. Also I check the engine oil and is low, I can say that the engine oil is my fault but my question is what could be causing that? Note : the fan works fine.
My car has 136000 miles.
My car has an automatic transmission.
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