P0677

P0677 OBD Code Definition:
P0677 Cylinder 7 Glow Plug Circuit Fault
P0677 OBD Code Description:

OBD Code P0677

Cylinder 7 Glow Plug Circuit

What’s mean?

OBD2 Code P0677 Definition:
The Engine Control Module (ECM) has detected a fault in the cylinder #7 glow plug circuit

Symptoms

Possible sumptoms of P0677
– Engine Light ON (or Service Engine Soon Warning Light) – Lack/Loss of Power – The engine may be harder to start – Engine hesitation

Possible Causes

Possible causes of P0677
– Cylinder #7 glow plug circuit is open or shorted – Faulty cylinder #7 glow plug – Faulty glow plug module

Possible Solutions

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