good spark at number 1 cylinder,poured a little gas down throttle body ..nothing
truck cranks but won't start on 1994 Chevrolet 1500 Pickup
You may not have injector pulse signal, could be a distributor or the signal to it. Or you could have a weak spark. Verify you have spark on both sides of the engine. If you have a slow crank, you should check the battery and charging system.