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Unable To Refuel Vehicle: Escape

  1. Testing Fuel Filler Pipe & Check Valve -  Remove fuel filler cap. Connect Evaporative Emissions System Leak Tester (134-00056) to fuel filler pipe. Turn ignition on. Using scan tool, close canister vent solenoid. Select OUTPUT TEST MODE, FTP and FTP V PID. Select ALL OFF mode. Press START button on scan tool to close canister vent solenoid. Access PCM PID FTP V. Pressurize system to 14 in. H2O (3.48 kPa). If PCM PID FTP V is 4.22-4.90 volts, go to next step. If PCM PID FTP V is not as specified, replace fuel filler pipe and check valve. Perform DRIVE CYCLES in SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE article. Ensure PENDING CODE CHECK & EVAP MONITOR "BYPASS" CHECK is performed.

  2. Testing EVAP System For Restriction

    Using scan tool, open canister vent solenoid. Attempt to pressurize system to 14 in. H2O (3.48 kPa). If system pressurizes, go to next step. If system does not pressurize, remove tester from fuel filler pipe and install fuel filler cap. Perform evaporative emissions system leak test. See EVAPORATIVE EMISSIONS SYSTEM LEAK TEST . If system passes, perform DRIVE CYCLES in SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE article. Ensure PENDING CODE CHECK & EVAP MONITOR "BYPASS" CHECK is performed.

  3. Testing Fuel Vapor Control Valve Tube Assembly For Blockage

    Disconnect evaporative emission canister purge outlet tube. Attempt to pressurize system to 14 in. H2O (3.48 kPa). If system does not pressurize, go to next step. If system pressurizes, replace fuel tank assembly. Perform evaporative emissions system leak test. See EVAPORATIVE EMISSIONS SYSTEM LEAK TEST . If system passes, perform DRIVE CYCLES in SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE article. Ensure PENDING CODE CHECK & EVAP MONITOR "BYPASS" CHECK is performed.

  4. Testing Dust Separator For Blockage

    Disconnect dust separator and hose assembly. Move Evaporative Emissions System Leak Tester (134-00056) to EVAP canister purge outlet tube. Attempt to pressurize system to 14 in. H2O (3.48 kPa). If system pressurizes, go to next step. If system does not pressurize, replace dust separator and hose assembly. Perform evaporative emissions system leak test. See EVAPORATIVE EMISSIONS SYSTEM LEAK TEST . If system passes, perform DRIVE CYCLES in SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE article. Ensure PENDING CODE CHECK & EVAP MONITOR "BYPASS" CHECK is performed.

  5. Testing Evaporative Emission Canister Vent Solenoid For Blockage

    Remove evaporative emission canister vent solenoid. Attempt to pressurize system to 14 in. H2O (3.48 kPa). If system pressurizes, go to next step. If system does not pressurize, replace evaporative emission canister vent solenoid. Perform evaporative emissions system leak test. See EVAPORATIVE EMISSIONS SYSTEM LEAK TEST . If system passes, perform DRIVE CYCLES in SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE article. Ensure PENDING CODE CHECK & EVAP MONITOR "BYPASS" CHECK is performed.

  6. Testing Evaporative Emission Canister For Blockage

    Remove evaporative emission canister purge outlet tube. Attempt to pressurize system to 14 in. H2O (3.48 kPa). If system pressurizes, replace evaporative emission canister purge outlet tube. Perform evaporative emissions system leak test. See EVAPORATIVE EMISSIONS SYSTEM LEAK TEST . If system passes, perform DRIVE CYCLES in SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE article. Ensure PENDING CODE CHECK & EVAP MONITOR "BYPASS" CHECK is performed. If system does not pressurize, replace evaporative emission canister. Perform evaporative emissions system leak test. See EVAPORATIVE EMISSIONS SYSTEM LEAK TEST . If system passes, perform DRIVE CYCLES in SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE article. Ensure PENDING CODE CHECK & EVAP MONITOR "BYPASS" CHECK is performed.
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