Fault codes › P0677
P0677
Cylinder 7 Glow Plug Circuit Fault
Generic code
Ignition System
High severity
Moderate repair
Free on OBD DashX
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iWhat P0677 means
- The fault code P0677 indicates that there is an issue with the glow plug circuit for cylinder 7 in the diesel engine. This may cause difficulty in starting the engine, rough idling or decreased power output.
!Possible symptoms
- Difficulty in starting the engine
- Rough idling or stalling
- Reduced power output
- Illuminated check engine light.
?Possible causes
- Failed glow plugs in cylinder 7
- Faulty wiring or connections in the circuit
- Loose or corroded electrical connections
- Failed glow plug control module
- Failed engine control module (ECM)
⚙Related parts
- Glow Plug: A glowplug is a heating device that helps to start diesel engines. This car's glow plug has a problem which may cause hesitation while starting the car or the car not starting at all
✓Possible solutions
- Replace the glow plugs in cylinder 7
- Check and repair any damaged wiring or connections
- Tighten or clean any loose or corroded electrical connections
- Replace the glow plug control module if necessary
- Replace the engine control module (ECM) if necessary