Hard To Fill With Fuel: Notes
WARNING: This page is about a different car, the 2024 Jeep Grand Wagoneer L and 2024 Jeep Grand Wagoneer. However, it is still accessible from the selected car via links, so may be relevant.
The components that are used for tank venting, and will be diagnosed in this procedure are similar for every non PHEV vehicle. The only differences are the locations of the components within the system on each vehicle. The graphics below are intended for reference and depicts the general configuration of the system components for vehicles with gas engines.
| CALL-OUT | DESCRIPTION |
|---|---|
| 1 | Grade Vent Valve (GVV) |
| 2 | Auxiliary Fuel Delivery Pump/Level Sensor Module |
| 3 | Multifunctional Control Valve (MFCV) |
| 4 | Grade Vent Valve/Fuel Tank Pressure Sensor |
| 5 | Double Port Grade Vent Valve |
| 6 | Canister Tube |
| 7 | Recirculation (Recirc) Tube |
| 8 | Primary Fuel Delivery Pump/Level Sensor Module |
| 9 | Inlet Check Valve (ICV) |
| 10 | Fuel Filler Tube |
| - | Evaporative System Integrity Monitor (ESIM) |
| - | Fresh Air Filter |
| CALL-OUT | DESCRIPTION |
|---|---|
| 1 | Purge Tube |
| 2 | Fuel Filler Pipe |
| 3 | Recirculation (Recirc) Tube |
| 4 | Canister Tube |
| 5 | Fuel Filler Cap |
| 6 | Fresh Air Filter |
| 7 | Filter Hose (Filter to ESIM) |
| 8 | Evaporative System Integrity Monitor (ESIM) |
| 9 | Charcoal Canister |