ran sled yesterday no probs, loaded last nite filled with gas trailered about 60 miles away in -9 degree cold, uncovered sled started on second pull, got in truck to warm up looked back sled had quit, have fire , plugs are wet when taken out , good fire when plugs are out...... water in gas? could i have iced up? anyone have any suggestions on what else to check.........the only thing ive put in lately is a 2.5 key but that was month ago and it always started and ran fine