Using starting fluid on an IDI engine with glowplugs is not a good idea. As soon as the starting fluid hits the hot GPs you get mis-timed violent explosions. Has been known to break GPs, piston rings, pistons, and bend rods and valves.
If you must use it, at least deactivate the GPs first.
Better explanation here:
https://www.dieselhub.com/tech/start...l-engines.html