P0678 FORD - Cylinder 8 Glow Plug Circuit Fault
- Faulty cylinder #8 glow plug
- Cylinder #8 glow plug harness is open or shroted
- Cylinder #8 glow plug circuit poor electrical connection
- Faulty glow plug module
When is the code detected?
The Engine Control Module (ECM) has detected a fault in the cylinder #8 glow plug circuit
- Engine Light ON (or Service Engine Soon Warning Light)
- Lack/Loss of Power
- The engine may be harder to start
- Engine hesitation
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