Hello everybody, I have a problem with my 2001 mazda 626. While I'm driving in traffic it's overheating, and I can see the temperature scale raising almost to the top. I've already tried adding a cooling liquid- the radiator is full but it's still overheating. The termostat was changed twice, and nothing halped. There is no drain of cooling liquid- the radiator was already checked under pressure and the cooling fan is working for a very long time.
Check the radiator fan , maybe dont work
SOURCE: MX5 overheating conundrum
Reving the engine increases the fan speed cooling the radiator more check your thermostat it is stuck closed
SOURCE: engine overheating
All i can think of is the thermostat is not opening. or you may have a clog somewhere preventing the flow. Check the T-stat and hoses and radiator ( for clogs) Good luck
SOURCE: 2003 Mazda Protege5. Cooling fan on radiator is
First, check the relay for the cooling fans. Not sure about Mazdas but Fords have two coolant temperature sensors. One for the gauge or light on the dash and one for the fan relay. Check and make sure the sensor hasn't went bad or come unplugged. If these don't fix it the fan itself may be bad.
SOURCE: mazda mpv overheating when driving
possible head gasket do a preasure test on the coolant system to see if it loses any coolant or presure drops and check for leaks hope this helps
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