Powertrain
generic / SAE
P0204
Injector Circuit Malfunction — Cylinder 4
An electrical fault has been detected in the cylinder 4 injector circuit — open winding, short to ground or short to supply. This typically disables that injector to protect the driver stage in the ECU; the cylinder runs without fuel and triggers a misfire code as well.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number2 / 04
Possible causes
- Injector winding failed open high
- Wiring or connector fault medium
Inspection / repair
- Difficulty: medium
- DIY: possible
- Estimated cost: 80–600 €
- Estimated time: 0.5–3.5 h
- Component: fuel injector
- Component: injector wiring
- MIL / check engine light
- emissions-relevant
- drive cycle required
Sources
References
sae:J2012