P0211 Injector Circuit Malfunction - Cylinder 11

P0211 points to an injector circuit malfunction on cylinder 11. The injector 11 circuit does not match expected electrical behavior.

Code details

Generic OBD-II · P0

System: Injector
Code type: Generic (SAE / ISO controlled)
Standard: SAE J2012 / ISO 15031-6

Diagnostic boundary

A diagnostic trouble code reports that a monitored test failed. It does not prove one specific part is bad, and manufacturer logic can add vehicle-specific conditions.

Do not replace fuel-system parts broadly until the cylinder 11 injector circuit is isolated.

Symptoms of P0211

Check-engine light, often with a misfire feel from one cylinder.
Rough idle, hesitation, or a slight loss of power.
Higher fuel use, or in some cases a fuel smell.

Common causes of P0211

A stuck, leaking, clogged, or electrically failed injector.
Injector wiring, connector, or driver-circuit faults.
Low fuel pressure or contamination affecting injector behaviour.

Useful checks before replacing parts

Check injector 11 power feed, ground control, connector fit, resistance, voltage drop, and continuity to the controller.
Review cylinder 11 misfire counters, contribution data, fuel trims, and freeze-frame conditions for load or temperature patterns.
Inspect harness sections near cylinder 11 for rubbing, heat damage, oil intrusion, water intrusion, and terminal corrosion.

Related OBD-II codes

These nearby injector entries can help compare wording and pin down the fault area.