Hellow eweryone drive on motorway hear some nocking noise then engine stop..when car arrive on home on tow truck looking me on engine ,find out the glowplug is moving ,so by wrench remove the plug and there wos no heating element,so me check the compresion on this cylinder there wos no pressure at all ,so me figure out why car dont start even when there only one cylinder is damage ,anyone have a same problem .any advice welcome thanks .MArtin

The answer is cylinder damage piston damage ,cylinder head damage ....engine caput ...