1994 Chevy Suburban engine not start

Engine Performance problem
1994 Chevy Suburban V8 Four Wheel Drive Automatic

Thanks for your help. My 1994 suburban runs fine once I use starting fluid to initially get it started. I have had a few sensor replaced by a local garage with no success. They seem to be stumped stumped stumped. If there are any ideas that you could help me with I would appreciate them as I am in the Northeast Adirondack region of New York with a recent snowfall of greater than one foot. Thanks