Concern
| Causes
|
DEFINITION: Difficulty when refueling the vehicle.
|
Difficult to fill
|
| • | The fuel filler pipe check valve is stuck closed. |
| • | The fill limiter vent valve (FLVV) on the evaporative emission (EVAP)
canister is stuck closed. |
| • | The EVAP canister air filter is restricted or dirty. |
| • | Any restricted vapor lines or hoses |
| • | The EVAP canister has an internal blockage or restriction. |
| • | A fuel with high reid vapor pressure characteristics. |
| • | A high fuel temperature |
| • | The fuel filler hose/pipe is pinched, kinked, or blocked. |
|
Over fill
|
| • | The pressure relief valve in the fill limiter vent valve (FLVV) is stuck
open. |
| • | The pressure relief valve in the FLVV is leaking. |
| • | The FLVV is stuck open. |
|
Pre-mature shut-off of the fuel dispensing nozzle
|
| • | The fill limiter vent valve (FLVV) is stuck closed. |
| • | The EVAP canister air filter is restricted or dirty. |
| • | Any restricted vapor lines or hoses |
| • | The EVAP canister has an internal blockage or restriction. |
| • | A fuel with high reid vapor pressure characteristics |
| • | A high fuel temperature |
|
Fuel spitback
|
| • | The fuel filler pipe check valve is stuck open. |
| • | The filler pipe check valve is stuck closed. |
| • | The filler pipe check valve is leaking. |
| • | A fuel with high reid vapor pressure characteristics. |
| • | A high fuel temperature |
|
Liquid fuel in the EVAP canister
|
| • | The fill limiter vent valve is stuck open. |
| • | The fill limiter vent valve is leaking. |
|
Liquid fuel leak
|
| • | The pressure relief valve in the fill limiter vent valve (FLVV) is stuck
open. |
| • | The pressure relief valve in the FLVV is leaking. |
| • | The fuel filler hose is loose or torn. |
| • | The FLVV is stuck open. |
|
Fuel odor
|
| • | The pressure relief valve in the fuel limiter vent valve (FLVV) is stuck
open. |
| • | The pressure relief valve in the FLVV is leaking. |
| • | The EVAP canister is saturated with fuel. |
|
