What does code P0291 mean?
Low signal detected in injector circuit for cylinder 11
OBD-II Code
P0291 — Cylinder 11 Injector Circuit Low
Low signal detected in injector circuit for cylinder 11
Common symptoms
- Severe misfires
- loss of power
Possible causes
- Damaged wiring
- clogged injector
Initial recommendation
Verify harness continuity and test injector.
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 P0291 with your vehicle's actual symptoms for more complete diagnostic guidance.
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