P0673
Cylinder 3 Glow Plug Circuit/Open
P0673 is an OBD-II diagnostic trouble code meaning: Cylinder 3 Glow Plug Circuit/Open. Common causes: burnt out glow plug cylinder 3, broken power wire. Estimated repair cost: $17–44.
Symptoms
- Difficulty starting a diesel engine in cold weather
- The Check Engine light comes on
- White smoke on cold start
- Unstable engine operation after starting
- The glow plug indicator is on
Causes
- Burnt out glow plug cylinder 3
- Broken power wire
- Oxidation or damage to the connector
- GPCM module malfunction
- Wiring damage
How to Fix
- Read OBD-II error codes
- Measure the resistance of the glow plug of cylinder 3 (standard: 0.5–2 Ohm)
- Inspect the wiring and connector
- Check spark plug voltage
- Replace a faulty glow plug
- If the error occurs again, check GPCM
Related codes
Error P0673 by Vehicle Brand
FAQ
What does the P0673 code mean?
P0673 is an OBD-II diagnostic trouble code that indicates: Cylinder 3 Glow Plug Circuit/Open
What causes a P0673 error code?
The most common causes of P0673 include: Burnt out glow plug cylinder 3; Broken power wire; Oxidation or damage to the connector; GPCM module malfunction.
How do I fix a P0673 diagnostic trouble code?
To fix P0673: Read OBD-II error codes. Measure the resistance of the glow plug of cylinder 3 (standard: 0.5–2 Ohm). Inspect the wiring and connector. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0673?
Yes, but get it checked soon
How much does it cost to fix P0673?
The estimated repair cost for P0673 is $17–44. Actual cost depends on your vehicle, location, and labor rates.
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