Symptoms

- Engine Light ON (or Service Engine Soon Warning Light) - Lack/Loss of Power - The engine may be harder to start - Engine hesitation

Possible Causes

- Cylinder #4 glow plug circuit is open or shorted - Faulty cylinder #4 glow plug - Faulty glow plug module

Description

The Engine Control Module (ECM) has detected a fault in the cylinder #4 glow plug circuit