Overheating when stopped or going slow

Tiny
JASON CROSS
  • MEMBER
  • 2001 HONDA ACCORD
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 248,000 MILES
My car overheats when I am stopped at a red light or driving really slow. I have replaced my cooling fan and thermostat and cooling fan relay and my car is still having the same problem. I was wondering if it is the cooling temperature sensor in the fuse for the cooling? Fan is good.
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Wednesday, May 10th, 2017 AT 6:17 PM

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Tiny
CARADIODOC
  • EXPERT
Can you hear if the fan is actually turning on? If it is not coming on, unplug the two-wire coolant temperature sensor while the engine is running. That should force the radiator fan to run as a safety measure. If the fan runs when you do that, the rest of the circuit is okay. The next step would be to observe the actual coolant temperature on a scanner, to see what the engine computer is seeing.
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Wednesday, May 10th, 2017 AT 10:03 PM

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