Problem 
 | Causes 
 | 
DEFINITION: During the fueling process a continual, occasional or no fuel nozzle shut-off condition has occurred. 
 | 
Difficult to fill 
 | 
|     •  | Fuel fill limiter vent valve stuck closed |  
  
|     •  | Evaporative emission (EVAP) canister restricted |  
  
|     •  | EVAP vent valve stuck closed |  
  
|     •  | Hose between canister and canister vent solenoid twisted or kinked if applicable |  
  
|     •  | Fuel filler hose is kinked |  
  
|     •  | Faulty dispensing nozzle |  
  
|     •  | Ignition switch ON, vent valve closed |  
  
 | 
Over fill 
 | 
|     •  | Fill limiter vent valve stuck open or leaking |  
  
|     •  | Fuel inlet check valve stuck open |  
  
 | 
Pre-mature shut-off of the fuel dispensing nozzle occurs immediately after engaging dispensing nozzle, tank empty 
 | 
|     •  | Restricted vapor lines or fuel fill pipe |  
  
|     •  | Inlet check valve at tank stuck closed, fill pipe full of fuel |  
  
|     •  | Fuel tank full, gage not accurate |  
  
 | 
Pre-mature shut-off of the fuel dispensing nozzle, more than 1/8 of tank capacity dispensed 
 | 
|     •  | Kinked, pinched or plugged lines in fuel tank vent system |  
  
|     •  | EVAP vent valve stuck closed or restricted |  
  
|     •  | EVAP canister restricted |  
  
|     •  | Fuel limiting vent valve stuck closed or obstruction at top of fuel tank |  
  
 | 
Fuel Spitback 
 | 
|     •  | Restricted EVAP canister |  
  
|     •  | Ignition switch ON, EVAP vent valve closed |  
  
 |