My b2300 cranked for a few seconds then shuts off, It runs fine when sprayed with starter fluid. I have replaced the fuel pump, filter and fuel regulator, help please!

Hello, is there any anti-theft device on this vehicle that could be cutting fuel supply? Have you checked the position of the "inertia" fuel cut off switch? I'd check those areas first. Even before having replaced parts already! Use this link to find some shops near you that can help with your concern: www.repairpal.com/repair-shops