Injector Circuit Open (Cylinder 1)
Fuel System · Fuel Injectors
The ECU cannot detect a functional circuit connection to the Cylinder 1 fuel injector. This is an electrical fault — not necessarily a failed injector itself.
- Open in injector wiring harnessMost common
- Failed Cylinder 1 injector solenoidMost common
- Corroded injector connectorCommon
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Frequently asked questions about P0201
What does P0201 mean?
The ECU cannot detect a functional circuit connection to the Cylinder 1 fuel injector. This is an electrical fault — not necessarily a failed injector itself.
Is P0201 serious?
Cylinder 1 is not receiving fuel. A P0301 misfire code almost always accompanies this. Drive to a shop promptly — catalytic converter damage risk.
How much does it cost to fix P0201?
Repair costs for P0201 range from $150 – $400 depending on the root cause and your vehicle.
Can I drive with P0201?
No — this code indicates a serious issue. Stop driving and have the vehicle inspected immediately.