![2003 dodge Ram Van B1500 5.9L I have been getting three OBD Codes - PO138 Oxy Sensor, - PO455 Emission Leak, - PO442 2003 dodge Ram Van B1500 5.9L I have been getting three OBD Codes - PO138 Oxy Sensor, - PO455 Emission Leak, - PO442](https://ww2.justanswer.com/uploads/DR/drivefast1971/2013-05-24_154330_2.gif)
2003 dodge Ram Van B1500 5.9L I have been getting three OBD Codes - PO138 Oxy Sensor, - PO455 Emission Leak, - PO442
![P0441 Code: Evaporative Emission Control System Incorrect Purge Flow - In The Garage with CarParts.com P0441 Code: Evaporative Emission Control System Incorrect Purge Flow - In The Garage with CarParts.com](https://www.carparts.com/blog/wp-content/uploads/2020/03/pic-4936869445950402819-1600x1200-1.jpeg)
P0441 Code: Evaporative Emission Control System Incorrect Purge Flow - In The Garage with CarParts.com
![I Am getting codes P0442, P0445 EVAP problem ,as a leak. Do I need to replace the unit? or is there a quick fix. Dodge I Am getting codes P0442, P0445 EVAP problem ,as a leak. Do I need to replace the unit? or is there a quick fix. Dodge](https://ww2.justanswer.com/uploads/drivefast1971/2011-11-07_201207_1.gif)
I Am getting codes P0442, P0445 EVAP problem ,as a leak. Do I need to replace the unit? or is there a quick fix. Dodge
![P0442 Engine Trouble Code - P0442 OBD-II Diagnostic Powertrain (P) Trouble Code | Engine-Trouble-Code.com P0442 Engine Trouble Code - P0442 OBD-II Diagnostic Powertrain (P) Trouble Code | Engine-Trouble-Code.com](http://p0442.engine-trouble-code.com/images/engine-code-sampe-3.jpg)