Thanks for all about the replys !
It is import model, i live in Finland.

I added extra ground cable from head to the firewall.
CPS wires are ok (not melted),i replaced the wires some time ago.
Exhaust/catalytic is not clogged,but i'll take a closer look.
I havent check manifold vacuum or fuel pressure yet.
Fuel filter,distributor rotor/cap are on the list to replace,right when
i can get them.
Where is MAF sensor located ?

Sami