How does the EVAP system work on a Dodge Durango?
How does the EVAP system work on a Dodge Durango? System Small Leak – Evaporative Emission System. The EVAP system captures all fuel vapor from the fuel tank and sends them to the engines intake in order to be ignited in the normal combustion process. When there is a small leak in the Dodge Durango’s EVAP system, it will throw the P0456 OBDII Code. If there is a large leak, it’ll throw P0455. What does the OBDII code mean on a Dodge Durango? P0456 is a universal OBDII trouble code. This means that regardless of which make or model of...