PINPOINT TEST A : Slow to Fill
- A1 CARRY OUT INSPECTION AND VERIFICATION
- Carry out inspection and verification.
Was the cause of the concern found?
Yes REPAIR or INSTALL new components to correct the concern. No GO to A2. - A2 CHECK THE SYSTEM FOR ANY EVAP DTCs
- Connect the scan tool.
- Check the system for any EVAP DTCs.
Are any DTCs present?
Yes REFER to ENGINE CONTROLS - SYMPTOM CHARTS (EXCEPT DIESEL & HYBRID) . No GO to A3. - A3 MONITOR THE FTP WHILE FILLING THE FUEL TANK
- Monitor the FTP reference value while filling the fuel tank. Refer to the appropriate vehicle/engine table in ENGINE CONTROLS - REFERENCE VALUES (EXCEPT DIESEL & HYBRID) .
Is FTP within specification?
Yes GO to A5. No GO to A4. - A4 MONITOR THE FTP WHILE FILLING THE FUEL TANK WITH THE EVAP SYSTEM DISCONNECTED
- Disconnect the large 0.7 cm (5/8 in) EVAP line connector at the upper front canister where It connects from the fuel tank to the carbon canister assembly Inlet. Quick Connect Coupling
- Monitor the FTP reference value while filling the fuel tank. Refer to the appropriate vehicle/engine table in ENGINE CONTROLS - POWERTRAIN DTC CHARTS & DESCRIPTIONS (EXCEPT DIESEL & HYBRID) .
Is FTP within specification?
Yes GO to A6. No GO to A5. - A5 CHECK THE FUEL TANK FILLER PIPE ASSEMBLY FOR BLOCKAGE OR RESTRICTION
- Remove the fuel tank filler pipe assembly. REFER to Fuel Tank and Lines .
- Inspect the fuel tank filler pipe and fuel tank filler pipe vent tube (if equipped) for a blockage or restriction.
Is the fuel tank filler pipe or fuel tank filler pipe vent tube (if equipped) blocked or restricted?
Yes If possible, REPAIR the blockage or restriction. If the blockage or restriction cannot be repaired, INSTALL a new fuel tank filler pipe or fuel tank filler pipe vent tube. No GO to A6. - A6 CHECK THE FRESH AIR LINE FOR BLOCKAGE OR RESTRICTION
- Separate the fresh air hose vent cap from cross member.
- Remove the fresh air hose vent cap from the tube.
- Inspect the tube and cap for blockages (mud, spider nests, etc.).
Is the fresh air hose vent cap or hose blocked or restricted?
Yes Disconnect and blow-out rubber fuel vapor tube that connects to the rear-most port of the canister with compressed air. Replace the fresh air hose vent cap. No GO to A7. - A7 CHECK THE FUEL TANK EVAP LINE FOR BLOCKAGE OR RESTRICTION
- Disconnect the large 0.7 cm (5/8 in) EVAP line connector at the upper front canister where It connects from the fuel tank to the carbon canister assembly Inlet. Quick Connect Coupling
Is there presence of liquid fuel in the line?
Yes GO to A8. No GO to A9. - A8 CHECK THE FUEL TANK EVAP LINE CONNECTION AT THE BOTTOM FUEL PUMP MODULE FLANGE
- Lower the fuel tank.
- Partially remove the fuel pump module and inspect the connection.
Is the fuel tank EVAP line disconnected?
Yes Repair the connection, replace the EVAP canister and the canister purge valve. No Replace the EVAP canister, the EVAP canister purge valve, the fuel vapor tube assembly REFER to Evaporative Emissions and the fuel tank REFER to Fuel Tank and Lines . - A9 CHECK THE FUEL TANK INLET CHECK VALVE
- Inspect the fuel tank inlet check valve for restriction or sticking.
Is the fuel tank inlet check valve restricted or sticking?
Yes If possible, REPAIR the restriction. If the restriction cannot be repaired, INSTALL a new fuel tank, REFER to Fuel Tank and Lines . No INSTALL a new fuel tank. REFER to Fuel Tank and Lines .