P0421 Code

The automobile meaning of the engine P0421 Code is not very important thing and the automobile meaning of the engine code is P for OBD-II Diagnostic Powertrain (P) Trouble Code For Engine. 0 for Intake Valve Control Solenoid Circuit Low. 4 for Engine Oil Temperature Sensor Malfunction. 2 for Cylinder 10 Contribution/balance Fault and 1 for Exhaust Gas Recirculation Sensor B Circuit High. You should let the automobile engineer for solving the car engineer. The automobile engineer will use the correct information, tools for solving the car engine. If the car engineer does not have expertise, he should fix the car engine