P0672
Cylinder 2 Glow Plug Circuit/Open
P0672 is an OBD-II diagnostic trouble code meaning: Cylinder 2 Glow Plug Circuit/Open. Common causes: burnt out glow plug cylinder 2, broken glow plug power wire. Estimated repair cost: $17–44.
Symptoms
- Difficulty starting a diesel engine at low temperatures
- The Check Engine light comes on
- White smoke from the exhaust pipe during cold start
- Unstable idle after starting in cold weather
- Glow plug indicator on the dashboard
Causes
- Burnt out glow plug cylinder 2
- Broken glow plug power wire
- Oxidation or damage to the spark plug connector
- GPCM module malfunction
- Damage to the wiring from the GPCM to the spark plug
How to Fix
- Read error codes with OBD-II scanner
- Measure the resistance of the glow plug of cylinder 2 (standard: 0.5–2 Ohm)
- Inspect the wiring and spark plug connector for damage and oxidation.
- Check the voltage at the spark plug terminal when the ignition is turned on.
- Replace a faulty glow plug
- Check the GPCM module if the error appears again
Related codes
Error P0672 by Vehicle Brand
FAQ
What does the P0672 code mean?
P0672 is an OBD-II diagnostic trouble code that indicates: Cylinder 2 Glow Plug Circuit/Open
What causes a P0672 error code?
The most common causes of P0672 include: Burnt out glow plug cylinder 2; Broken glow plug power wire; Oxidation or damage to the spark plug connector; GPCM module malfunction.
How do I fix a P0672 diagnostic trouble code?
To fix P0672: Read error codes with OBD-II scanner. Measure the resistance of the glow plug of cylinder 2 (standard: 0.5–2 Ohm). Inspect the wiring and spark plug connector for damage and oxidation.. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0672?
Yes, but get it checked soon
How much does it cost to fix P0672?
The estimated repair cost for P0672 is $17–44. Actual cost depends on your vehicle, location, and labor rates.
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