P0401 is an OBD-II generic code and it states as Exhaust Gas Recirculation Flow Insufficient Detected..
Author: mohitsharma
P0442 Code: Evaporative Emission Control System Leak Detected (Small Leak)
The DTC generated error code P0442 states that Evaporative Emission Control System Leak Detected, which means that there are some faults in the evaporative system of the vehicle..
P0113 Code: Intake Air Temperature Sensor 1 Circuit High Input
Diagnosed error code generic P0113 indicates that the engine control module has sensed that the intake air temperature (IAT) sensor low input voltage.