What does code P0204 mean?
Injector circuit fault detected for cylinder 4
OBD-II Code
P0204 — Injector Circuit Malfunction Cylinder 4
Injector circuit fault detected for cylinder 4
Common symptoms
- Cylinder misfire
- vibration
- check engine light
Possible causes
- Clogged injector
- open wiring
- damaged connector
Initial recommendation
Clean or replace injector and verify wiring continuity.
Safety notice
This information is for guidance only and does not replace a physical vehicle inspection or diagnosis by a qualified mechanic. If the vehicle has severe power loss, smoke, a fuel odor, overheating, brake or steering problems, or any unsafe behavior, avoid driving it and seek professional inspection.
Analyze this code with MecaOBD
Use the app to combine code P0204 with your vehicle's actual symptoms for more complete diagnostic guidance.
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