Terminal method of fixing Kernel_Task RAM / CPU / Memory problem in Mac.
Use terminal in Mac to fix Kernel_Task RAM / CPU / Memory problem in Mac.
Command to check ModelIdentifier of your Mac:
system_profiler -detailLevel mini | grep "Model Identifier:"
Command to change directory to Resources:
cd /System/Library/Extensions/IOPlatformPluginFamily.kext/Contents/PlugIns/ACPI_SMC_PlatformPlugin.kext/Contents/Resources/
Command to list the names of ModelIdentifier in Resources directory of your Mac:
ls
Command to move YourModelIdentifier.plist file to Users directory:
sudo mv YourModelIdentifier.plist /users
[Please Replace YourModelIdentifier.plist with Your Model Identifier.plist name. Like mine was MacBookPro8_2.plist. In My Case the command will be: sudo mv MacBookPro8_2.plist /users]
Please keep YourModelIdentifier.plist file SAFE as you may need it if Kernel_Task memory problem appears again.
That's It, Restart your Mac and you are done.