Ford mondeo diesel glow plug light comes on worse when cold but light comes on again when doing 60.70
Tuesday, August 9th, 2011 AT 3:46 PM
1 Reply
MHPAUTOS
MECHANIC
31,937 POSTS
The glow plug system will stay on longer with a cold engine, that is normal, I would be checking the plugs individually for open circuit and checking the relay for the other problem.