What Does P0286 Mean? The PCM has detected a voltage reading in the fuel injector circuit (for the fuel injector in cylinder 9) that does not conform to the manufacturer’s reference value. engine code P0286P0286 fixobd P0286dtc P0286obd code P0286obd2 P0286P0286 car codediagnostic code P0286car code P0286check engine code P0286fehlercode P0286P0286 fiatcodigo P0286codigo falla P0286P0286 kody b??dówcodigo de falla P0286 What are the common causes of P0286 ? Defective ECU strategies or components will prevent proper regeneration The Mass Airflow sensor is a hot wire that senses the volume of air entering the intake manifold. The computer uses this information to control fuel mixture. An air leak forward of the DPF will change the sensor readings resulting in the code How do you troubleshoot P0286 ? Your mechanic will have to do one of the following to fix the P0286 code: Replace the damaged wiring or other electrical components Replace damaged fuel injectors Cleaning out clogged fuel injectors Fix blown fuses In rare cases, replacing a faulty PCM Searches related to P0286 Code - Cylinder 9 Injector Circuit High p0285 p0287