P02B3 Code: Meaning, Causes, and Symptoms | OBD2 Codes

P02B3 – Cylinder 7 – Fuel Trim at Min Limit


P02B3 Possible Symptoms


Engine Light ON (or Service Engine Soon Warning Light)


P02B3 Possible Causes


Faulty Fuel Injector 7,Clogged or Leaking Fuel Injector 7,Fuel Injector 7 harness is open or shorted,Fuel Injector 7 circuit poor electrical connection


P02B3 Description


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.