1995 Chrysler Van van stalls while driving

Yes my van cuts off when driving, starts right back up but then will cut off sometimes, or it will just lost power and then come right back sometimes when it loses power u can push the accelator and it comes back without stalling, does this very intermittenly, sometimes can go for two or three weeks with no problem and sometimes it will do it every day two or three times a day and then not act up again for several days. Where should I start to fix this problem