P0261High urgency
Cylinder 1 Injector Circuit Low
Fuel System · Fuel Injectors
⛔ Fix promptly — cylinder 1 misfire and poor performance.
What this means
The electrical signal to cylinder 1 fuel injector is reading below normal. Causes cylinder 1 to misfire. Symptoms include rough idle, loss of power, and possible P0301 misfire code.
Likely causes
- Failed fuel injector cylinder 1Most common
- Short circuit in injector wiringCommon
- Faulty injector driver in ECMLess common
Estimated repair cost
Fuel injector replacement$150 – $400
Wiring repair$100 – $300
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Frequently asked questions
What does P0261 mean?
The electrical signal to cylinder 1 fuel injector is reading below normal. Causes cylinder 1 to misfire. Symptoms include rough idle, loss of power, and possible P0301 misfire code.
Is P0261 serious?
Fix promptly — cylinder 1 misfire and poor performance.
How much does it cost to fix P0261?
Repair costs for P0261 range from $150 – $400 depending on the root cause and your vehicle.
Can I drive with P0261?
No — this code indicates a serious issue. Stop driving and have the vehicle inspected immediately.