It does this with an old glow plug, and also with new glow plug. It has got me stumped
Originally Posted by
Mark Erce
if it stays running with the ignitor on it then your glow plug heating element is worn and cannot stay lit without the help of the ignitor. get a new plug! also look at the old one. is the tip of it whitish looking(too lean) or is it black and kinda wet(too rich) your plug can tell a story how your engine is running. try to get it in the middle.