OK I did spray starting fluid it runs then shuts off
crankshaft positioning sensor cause it from not to
Check the fuel pressure, sounds like you may need a new fuel pump.
This is the symptoms of a bad cam sensor, see below, copy and paste...
Looking for a Used C/K 1500 in your area?
CarGurus has 9 nationwide C/K 1500 listings and the tools to find you a great deal.
Search Chevrolet C/K 1500 Questions
Chevrolet C/K 1500 Experts
Related Models For Sale