Theory Of Operation
WARNING: This page is about a different car, the 2013 Dodge Avenger and 2013 Chrysler 200. However, it is still accessible from the selected car via links, so may be relevant.
| EVAP SYSTEM COMPONENTS | |
|---|---|
| CALLOUT | DESCRIPTION |
| 1 | Filter |
| 2 | ESIM Switch |
| 3 | Evaporative Canister |
| 4 | Fuel Tank Vent (Check Valve) |
| 5 | Control Valve |
| 6 | Inlet Check Valve |
| 7 | Fuel Tank Pressure Sensor |
| 8 | To Purge System |
| 9 | Fuel Fill Tube |
The Powertrain Control Module (PCM) detected that the EVAP system was unable to achieve or maintain vacuum during the test period or the system was not able to close the ESIM switch when vacuum was present.