I changed the head gaskets on 4.7 and it runs rough mostly low rpms

2002 Jeep changed head gaskets pit everything back together timing set right idles like it wants to die if I have my foot on gas won't die I've cleared codes and gives me new ones seems like runs likes there a vacuum leak

Update (04/03/2019)

I've check all vacuum lines and fixed bad ones

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Is there a drop power that normal.


No it will stall out completely then when you start driving it chugs then clears up as you accelerate but when you slow Down does it again