The engine P279E Code has general and correct meaning. The general meaning of the code is found for free from online. The automobile dictionary meaning of the code is not used for solving the car engine and it is called general meaning. The automobile meaning of the P279E is P for OBD-II Diagnostic Powertrain (P) Trouble Code For Engine. 2 for Fuel And Air Metering (Injector Circuit Malfunctions Only). 7 for Engine Oil Temperature Sensor Malfunction. 9 for Cylinder 10 Contribution/balance Fault and E for Exhaust Gas Recirculation Sensor B Circuit High. Read the engine manual to get the correct meaning of the code.