Engine
Glow Plug Warning (Diesel)
Description
Glow plug or wait-to-start indicator stays on or flashes. Diesel engines rely on glow plugs for cold starting — failure causes hard or no-start when cold.
Common Causes
Failed glow plug(s)
Failed glow plug relay or control module
Open wiring in glow plug circuit
Related Trouble Codes
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Quick Info
| System | Engine |
| Related DTCs | 2 |