P06BF
Cylinder 7 Glow Plug Circuit Range/Performance
Generic OBD-II
Common symptoms
What you'll notice
- Check and replace the glow plug in cylinder 7
- Inspect and clean the glow plug wiring and connections
- Test and replace the glow plug control module
- Check and repair any damaged or faulty wiring in the glow plug circuit
- Inspect and repair any issues with the engine's fuel system that may be affecting cylinder 7 glow plug performance
Common causes
Most likely first
- Faulty glow plug in cylinder 7
- Loose or corroded electrical connection in the glow plug circuit of cylinder 7
- Malfunctioning glow plug control module
- Faulty engine control unit (ECU) or powertrain control module (PCM)
- Wiring issues in the glow plug circuit of cylinder 7
How to diagnose & fix
Work through it in order
- Engine misfire or rough idle
- Loss of power or poor acceleration
- Increased fuel consumption
- Difficulty starting the engine
- Check engine light illumination
Read & clear P06BF yourself
Scan your car, confirm the code, and clear it once it's fixed — with OBD DashX on your phone.