You need to check symptoms of the engine problem and find cause of the engine P0462 Code. The engine code helps to solve the car engine problem. You need to fix the car engine properly. That is why, you should give this task to solve the car engine to automobile engineer. You can check this check list what are O2 Sensor Heater Circuit Malfunction, Injection lump Fuel Metering Control ‘B’ High (Cam/Rotor/Injector) and timing Reference High Resolution Signal A Too Many Pulses. You need to know the right meaning of the code and check the car engine by proper manner for finding the real cause of the car engine problem.