P02A3 Code: Meaning, Causes, and Symptoms | OBD2 Codes
P02A3 – Cylinder 3 – Fuel Trim at Min Limit
P02A3 Possible Symptoms
Engine Light ON (or Service Engine Soon Warning Light)
P02A3 Possible Causes
Faulty Fuel Injector 3,Clogged or Leaking Fuel Injector 3,Fuel Injector 3 harness is open or shorted,Fuel Injector 3 circuit poor electrical connection
The Powertrain Control Module (PCM) monitors the fuel pressure at the fuel rail through the Fuel Pressure Sensor (FPS). The PCM sets the OBDII code when the fuel pressure is out of factory specifications.