P0286

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

1. Check the integrity of the wires of the injector circuit of cylinder 9
2. Check the injector resistance (compare with the nominal value)
3. Inspect connectors and contacts for corrosion or damage
4. If necessary, replace the injector or repair the wiring harness
5. Reset the error and check if it returns

Related codes

Error P0286 by Vehicle Brand