The engine P268A Code has several meanings but you need to depend on the right meaning of the code for solving the car engine. The automobile meaning of the code is P for OBD-II Diagnostic Powertrain (P) Trouble Code For Engine. 2 for Fuel And Air Metering (Injector Circuit Malfunctions Only). 6 for Engine Oil Temperature Sensor Malfunction. 8 for Cylinder 10 Contribution/balance Fault and A for Exhaust Gas Recirculation Sensor B Circuit High. You should check all symptoms of the car engine and know the cause of the car engine problem to solve the car engine problem. Test drive is recommended when the car engine is ok.