'91 7.3 wont start when cold, even with new glow plug relay, what else could be wrong?
Mar 2, 2012 #1 brian89 New member Joined Nov 30, 2011 Messages 633 Reaction score 0 Location Penisylvania '91 7.3 wont start when cold, even with new glow plug relay, what else could be wrong?
Mar 4, 2012 #2 trackspeeder Member Joined May 18, 2011 Messages 169 Reaction score 0 Location N. Branford CT Leaky return lines.
