2004 envoy 4.2 engine lost oil

[Ben4.2]

my 2004 envoy engine lost oil so fast not even 200 mile I have to refill 4qts.i saw my engine oil go out to my air filter box.
is it my valve cover bad ?

 

[Blckshdw]

i saw my engine oil go out to my air filter box.

Do you mean the resonator box, that sits on top of the spark plugs? Or the actual air filter cover behind the passenger headlight?

 

[Ben4.2]

it locate at air filter cover .thanks