OBD-II Generic Error Code P0680: How to Fix It

Q: What does error code P0680 mean?

P0680 indicates a malfunction in the glow plug circuit for cylinder 11. This is common in diesel engines and can cause hard starting, white smoke, or a check engine light.

Q: Can I drive with a P0680 code?

You can drive, but starting may be difficult, especially in cold weather. It's best to fix it promptly to avoid excessive wear on the battery and starter.

Q: How much does it cost to fix P0680?

DIY cost is around $10-$30 for a glow plug and $5-$15 for anti-seize. Professional repair may cost $100-$300 depending on labor rates and accessibility.

Q: Is P0680 a serious error?

It's medium severity. It won't damage the engine immediately, but it can lead to hard starts, increased emissions, and potential starter damage over time.

Q: How do I know which cylinder is number 11?

Consult your vehicle's service manual. Inline engines typically number from front to back; V engines may have different numbering. For example, on some Ford Powerstroke V8s, cylinder 11 is the rear driver's side.

Abstract

Error code P0680 indicates a problem with the glow plug in cylinder 11 of your diesel engine. This code is typically triggered when the glow plug or its circuit fails, causing hard starts or excessive smoke. The fix involves testing and replacing the faulty glow plug or repairing the wiring.