Trouble code P0457 means:Evaporative emission control system leak detected ( Fuel cap loose/off)
Trouble code P0302 means: Cylinder 2 Misfire Detected
It is a speed sensor code.
Catalytic converter efficiency failure.
Trouble code P0340 means:Camshaft position sensor circuit malfunction
Trouble code P0760 means: Shift solenoid C malfunction
Trouble code P0440 means:Evaporative emission control system malfunction
P0340 means:Camshaft position sensor circuit malfunction
The 2007 Chrysler PT Cruiser OBD 2 port is under driver side dash next to kick panel
Trouble code P0452 means: Evaporative Emission System Pressure Sensor/Switch Low Input
It requires a scan tool or code reader.
Trouble code P0452 means: Evaporative emission control system,pressure sensor low input
Trouble code P0456 means: Evaporative emission (EVAP) control system leak detected (very small leak)