Overheats easily even after new radiator, water pump, hoses, etc. radiator fan runs on high constantly. Need solution or new fix.

 

Blown head gasket?

 

Did it have the overheating issue before the new radiator, water pump, and hoses? If not, I'd be very suspicious of trapped air in the cooling system. But then I'd also be curious why all those items were replaced if it wasn't due to an overheating concern. Do you have a thermal camera to see if the engine is actually getting as hot as the gauge and apparently PCM think it is?

-Rod