Do not ignore the engine P0488 Code. This engine code is valuable for solving the car engine problem. The engine code is found in many car engines and meanings are set by those car manufacturers. If you want to get the correct meaning of the code, you should read the manual of the car engine. You should know the correct problem of the engine and you should check the symptoms fuel Temperature Sensor B Circuit Range/Performance, Cylinder 4 Contribution/Balance Fault or Ignition Coil A Primary/Secondary Circuit Malfunction. Do not allow any other wrong meaning for solving the car engine and if you do not know how to fix the car engine, do not try to solve the car engine problem.