Default [Q] Google app doesn't work via WiFi

I have android 2.1 (rooted) on my sony xperia X8.
I can't using google maps (app) with wifi connection, only when gsm data transfering is on I can load maps and streetview.
The same situation is in google translator (works only via gsm data transferring).
All other app (games etc) working fine using only wifi connection. This is like google app problem. I try reinstall them, no result...
What can I do/check in this issue?