P0286
Cylinder 9 Injector A Circuit High
P0286 is an OBD-II diagnostic trouble code meaning: Cylinder 9 Injector A Circuit High. Common causes: broken or damaged wires in the injector circuit, malfunction of the fuel injector of cylinder 9. Estimated repair cost: $56–167.
Symptoms
- Misfire in cylinder 9
- Unstable idle
- Reduced engine power
- Increased fuel consumption
- Check Engine Light Illuminates
Causes
- Broken or damaged wires in the injector circuit
- Malfunction of the fuel injector of cylinder 9
- Problems in the wiring harness
- ECU malfunction (rare)
- Corrosion or poor contact in connectors
How to Fix
- Check the integrity of the wires of the injector circuit of cylinder 9
- Check the injector resistance (compare with the nominal value)
- Inspect connectors and contacts for corrosion or damage
- If necessary, replace the injector or repair the wiring harness
- Reset the error and check if it returns
Related codes
Error P0286 by Vehicle Brand
FAQ
What does the P0286 code mean?
P0286 is an OBD-II diagnostic trouble code that indicates: Cylinder 9 Injector A Circuit High
What causes a P0286 error code?
The most common causes of P0286 include: Broken or damaged wires in the injector circuit; Malfunction of the fuel injector of cylinder 9; Problems in the wiring harness; ECU malfunction (rare).
How do I fix a P0286 diagnostic trouble code?
To fix P0286: Check the integrity of the wires of the injector circuit of cylinder 9. Check the injector resistance (compare with the nominal value). Inspect connectors and contacts for corrosion or damage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0286?
Limited driving only, diagnose soon
How much does it cost to fix P0286?
The estimated repair cost for P0286 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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