My car keeps running hot! I need immediate

My car keeps overheating. I have 2005 Honda Civic Ex. I have changed both thermostats, water pump, head gasket && radiator but it still continues to run hot. My mechanic says I need a new motor but I would only need a new motor if the oil && water are mixing which they aren't. Inside the car the temperature may not say it's running hot but if you look at the hood you'll see steam comin from the BRAND NEW radiator.

Verify the fans turn on when proper tempature is reach, or when you turn on the A/C. Sounds like you might have a dirty radiator. After you run your car, turn it off and gently touch the rear of the radiator, the radiator should be hot all over, if there are and cold spots, that is the area that is plugged up, and the antifreeze is not circulating, there for the engine overheats.

Hope its not the case but check coolant for proper mix of antifreeze to water and as other said that the cooling fan is running when car is warmed up, not sure the amount of steam you are talking about but if small ensure the cap is on tight and gasket is ok. Next is to see if it is using coolant as in if it is lower than last time(indicating a leak on hoses or new radiator and use an IR gun for temp to compare to cars temp reading. Beyond that try a different mechanic for a second opinion best to go to another shop for that also.

Make sure your fans are working

There may be the problem in ECT (electronic coolant temperature) sensor or cooling fan

Maybe a bad ECT (electronic coolant temperature) sensor?

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