P0099 Code

Shortly the car P0099 Code is called Intake Air Temperature Sensor 2 Circuit Intermittent/Erratic. The symptoms of the car engine problem is the Check Engine Light comes on to prepared of a tricky with the system. The engine may run coarse, hesitate, or surge while heavy dependent on ambient heat alteration from 70° F. There are some causes of the engine code and those are the erratic or intermittent IAT input causes the ECM to not faith the input reading and alternates its input to 70° F. The intake air heat sensor 2 is not correct within 2 degrees when linked to the engine coolant and the mass air heat sensors when the engine is cold ongoing after the engine has been off for more than 5 hours.