Cylinder 8 Glow Plug Incorrect

Common symptoms

What you'll notice

• Check the glow plug wiring and connections for any loose or damaged components.
• Inspect the glow plug itself for any signs of damage or wear and replace if necessary.
• Perform a compression test on cylinder 8 to ensure proper engine function.
• If all else fails, consider replacing the cylinder 8 glow plug control module.

Common causes

Most likely first

1. Faulty or worn out glow plug in cylinder 8
2. Electrical connection issue with the glow plug in cylinder 8
3. Defective glow plug control module
4. Faulty injector in cylinder 8
5. Issues with the fuel system in cylinder 8 (e.g. clogged fuel line)

How to diagnose & fix

Work through it in order

1. Difficulty starting the engine
2. Rough idling or engine misfire
3. Decreased engine power or acceleration
4. Increased fuel consumption
5. Illuminated check engine light