P029D Code: Meaning, Causes, and Symptoms | OBD2 Codes

P029D – Cylinder 1 – Injector Leaking


P029D Possible Symptoms


Engine Light ON (or Service Engine Soon Warning Light)


P029D Possible Causes


Faulty Fuel Injector 1,Clogged or Leaking Fuel Injector 1,Fuel Injector 1 harness is open or shorted,Fuel Injector 1 circuit poor electrical connection


P029D 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.