katja,

Classic symptoms of not getting enough fuel. If the filters were replaced recently its might be the tank strainer is plugged. You could have a fungus problem. That is usually what plugs the tank strainer.

See my reply to pharaoh to test the fuel stariner.

No need the remove the tank to have it cleaned. The filters will catch the dead fungus. I had to replace only one inline filter after I treated my fuel system with Biobor to kill the fungus.

P E H