Default Stock Rom battery drain problem

I was running a custom rom ( SlimKat ) and i went back to stock
i followed these instructions :

http://forum.xda-developers.com/show....php?t=2542219

but my phone has a very bad battery drain
some how it never goes into a deep sleep and google service Consume a lot of battery
i re-flased it many times and i also wiped cache and data but nothing works !

any help please ?