P1361 — Volkswagen — Cylinder 3 Ignition Circuit Open
P1361 (Volkswagen): Cylinder 3 Ignition Circuit Open — what it means, the affected system and what to check before replacing parts.
Meaning, symptoms, causes and checks
Cylinder 3 Ignition Circuit Open. Source catalogue definition; confirm applicability using vehicle service information.
Affected system: Powertrain
Symptoms
- Engine misfire under load
- Rough engine idle
- Illuminated Check Engine Light
- Noticeable loss of engine power
- Increased fuel consumption
Possible causes
- Faulty ignition coil for cylinder 3
- Damaged or corroded wiring harness for cylinder 3 ignition coil
- Defective spark plug in cylinder 3
- Blown fuse for the ignition circuit
- Internal fault within the Engine Control Module
What to check
- Inspect the ignition coil connector for cylinder 3 for moisture or corrosion
- Swap the cylinder 3 ignition coil with a known working cylinder to check if the error code moves
- Measure the resistance of the ignition coil primary and secondary circuits with a multimeter
- Check for continuity in the ignition coil wiring harness from the ECU to the cylinder 3 connector
- Examine the spark plug for fouling or electrode degradation