I've got a 7 year old Sears Craftsman push mower that's giving me fits. Can't get the darn thing started and if it does start it only runs for a second or two. It was working just fine up until about 2 weeks ago. I'm engine illiterate and have messed with about as much as I can. Anyone here good with lawnmower engines or know of a decent/inexpensive repair shop on the northeast side of SA?