ford mondeo diesel glow plug light comes on worse when cold but light comes on again when doing 60.70
Aug 9, 2011 at 3:46 PM
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MHPAUTOS
AUTOMOTIVE REPAIR CONTRIBUTOR
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.