P06BD
Cylinder 5 Glow Plug Circuit Range/Performance
Generic OBD-II
Common symptoms
What you'll notice
- Check the glow plug wiring for any loose or damaged connections
- Inspect the glow plug itself for any signs of damage or wear
- Test the glow plug using a multimeter to ensure it is functioning properly
- Check the glow plug relay for any faults or malfunctions
- Inspect the engine control module (ECM) for any errors or issues related to the glow plug circuit
Common causes
Most likely first
- Faulty glow plug in cylinder 5
- Loose or damaged connection in cylinder 5 glow plug circuit
- Defective glow plug control module
- Blown fuse in glow plug circuit
- Engine control unit (ECU) software malfunction
How to diagnose & fix
Work through it in order
- Difficulty starting the engine
- Rough idle or engine misfire
- Decreased fuel efficiency
- Engine hesitation or stumbling during acceleration
- Illuminated "Check Engine" light
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