Problem
| Causes
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DEFINITION: During the fueling process a continual, occasional or no fuel nozzle shut-off condition has occurred.
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Difficult to fill
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• | 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 |
• | High fuel temperature |
• | Fuel filler hose is kinked |
• | Faulty dispensing nozzle |
• | Ignition switch ON, vent valve closed |
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Over fill
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• | Fill limiter vent valve stuck open or leaking |
• | Fuel inlet check valve stuck open |
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Pre-mature shut-off of the fuel dispensing nozzle occurs immediately after engaging dispensing nozzle, tank empty
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• | Restricted vapor lines or fuel fill pipe |
• | High fuel temperature |
• | Inlet check valve at tank stuck closed, fill pipe full of fuel |
• | Fuel tank full, gage not accurate |
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Pre-mature shut-off of the fuel dispensing nozzle, more than 1/8 of tank capacity dispensed
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• | 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 |
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Fuel Spitback
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• | Restricted EVAP canister |
• | High fuel temperature |
• | Ignition switch ON, EVAP vent valve closed |
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