2017-10-10
Check the glow plug control module for any loose or damaged connections
Inspect the wiring harness connected to the glow plug control module for any signs of damage or wear
Replace the glow plugs if they are found to be faulty
Consider replacing the glow plug control module if all other solutions have been ruled out and the issue persists.
Faulty glow plug control module
Loose or corroded electrical connections in the glow plug control circuit
Faulty glow plugs
Engine misfires or hesitates
Difficult or slow starting of the engine
Decreased fuel efficiency
Illuminated check engine light