hey guys i have a d16z6 i just installed a skunk2 manifold and ever since that my car running real bad it keeps overheating and it smells bad from the exhaust it burning to much oil?and the idle stuters around 2000 rpms??what can it be at first the check engine came out but they told it might be because the sensors plugs arent right but i fix them and the check engine came off???what can it be guys cuz it was running normal with the stock one???plz hit me up

 

Could be a lot of things.

Did you replace the manifold gasket? Are you sure you got all of the old gasket material off? Same with throttle body? And check the sensor plugs. If I remember right, MAP and TPS (maybe) have the same kind of plugs, and it's easy to accidentally flip them.