FUEL ODOR (IN ENGINE COMPARTMENT) [SKYACTIV-G (US)]
FUEL ODOR (IN ENGINE COMPARTMENT) [SKYACTIV-G (US)]
SM2565590
id0103s48907s6
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Troubleshooting item |
Fuel odor (in engine compartment) |
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Description
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• Gasoline fuel smell or visible leakage.
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Possible cause
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• Missing or loose fuel filler cap
• Fuel filler cap malfunction (seal malfunction)
• Fuel leakage from fuel system
• Charcoal canister main damage (U.S.A. and CANADA)
• Charcoal canister sub damage (U.S.A. and CANADA)
• Charcoal canister damage (Except (U.S.A. and CANADA))
• Evaporative hose (disconnection, damage) between fuel tank, pressure control valve, charcoal canister main, purge solenoid valve, and intake manifold (U.S.A. and CANADA)
• Evaporative hose (disconnection, damage) between fuel tank, charcoal canister, purge solenoid valve, and intake manifold (Except (U.S.A. and CANADA))
• Fuel leakage at the fuel injector
• Purge solenoid valve malfunction (stuck)
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System wiring diagram
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• Not applicable
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Connector diagram
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• Not applicable
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Diagnostic Procedure
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Step |
Inspection |
Results |
Action |
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1
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INSPECT FOR MISSING OR LOOSE FUEL FILLER CAP
• Visually inspect if the fuel filler cap is missing or loose.
• Is there any malfunction?
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Yes
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Repair or replace the fuel filler cap and perform the repair completion verification.
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No
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U.S.A. and CANADA:
• Go to the next step.
Except (U.S.A. and CANADA):
• Go to Step 3.
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2
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INSPECT EVAPORATIVE HOSE CONNECTION
• Inspect the evaporative hose between the fuel tank, pressure control valve, charcoal canister main, purge solenoid valve, and the intake manifold. (See EMISSION SYSTEM LOCATION INDEX [SKYACTIV-G (WITH CYLINDER DEACTIVATION (US))].) (See EMISSION SYSTEM LOCATION INDEX [SKYACTIV-G (WITHOUT CYLINDER DEACTIVATION (US))].)
• Is there disconnection in the evaporative hose or damage?
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Yes
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Repair or replace the malfunctioning location and perform the repair completion verification.
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No
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Go to Step 4.
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3
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INSPECT EVAPORATIVE HOSE CONNECTION
• Inspect the evaporative hose between the fuel tank, charcoal canister, purge solenoid valve, and the intake manifold. (See EMISSION SYSTEM LOCATION INDEX [SKYACTIV-G (WITH CYLINDER DEACTIVATION (US))].) (See EMISSION SYSTEM LOCATION INDEX [SKYACTIV-G (WITHOUT CYLINDER DEACTIVATION (US))].)
• Is there disconnection in the evaporative hose or damage?
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Yes
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Repair or replace the malfunctioning location and perform the repair completion verification.
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No
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Go to the next step.
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4
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INSPECT FUEL SYSTEM FOR FUEL LEAKAGE
• Visually inspect the fuel leakage at the fuel line.
• Is there any leakage?
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Yes
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Repair or replace the malfunctioning location and perform the repair completion verification.
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No
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Go to the next step.
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5
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INSPECT PURGE SOLENOID VALVE
• Inspect the airflow of purge solenoid valve. (See PURGE SOLENOID VALVE INSPECTION [SKYACTIV-G (WITH CYLINDER DEACTIVATION (US))].) (See PURGE SOLENOID VALVE INSPECTION [SKYACTIV-G (WITHOUT CYLINDER DEACTIVATION (US))].)
• Is the purge solenoid airflow properly?
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Yes
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U.S.A. and CANADA:
• Go to the next step.
Except (U.S.A. and CANADA):
• Go to Step 8.
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No
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Repair or replace the malfunctioning location and perform the repair completion verification.
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6
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INSPECT CHARCOAL CANISTER MAIN
• Inspect the charcoal canister main. (See CHARCOAL CANISTER INSPECTION [SKYACTIV-G (WITH CYLINDER DEACTIVATION (US))].) (See CHARCOAL CANISTER INSPECTION [SKYACTIV-G (WITHOUT CYLINDER DEACTIVATION (US))].)
• Is there cracking or damage in the charcoal canister main?
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Yes
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Repair or replace the malfunctioning location and perform the repair completion verification.
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No
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Go to the next step.
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7
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INSPECT CHARCOAL CANISTER SUB
• Inspect the charcoal canister sub. (See CHARCOAL CANISTER INSPECTION [SKYACTIV-G (WITH CYLINDER DEACTIVATION (US))].) (See CHARCOAL CANISTER INSPECTION [SKYACTIV-G (WITHOUT CYLINDER DEACTIVATION (US))].)
• Is there cracking or damage in the charcoal canister sub?
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Yes
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Repair or replace the malfunctioning location and perform the repair completion verification.
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No
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Remove the fuel injector and visually inspect fuel injector or leakage.
• If there is any malfunction:
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8
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INSPECT CHARCOAL CANISTER
• Inspect the charcoal canister. (See CHARCOAL CANISTER INSPECTION [SKYACTIV-G (WITH CYLINDER DEACTIVATION (US))].) (See CHARCOAL CANISTER INSPECTION [SKYACTIV-G (WITHOUT CYLINDER DEACTIVATION (US))].)
• Is there cracking or damage in the charcoal canister?
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Yes
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Repair or replace the malfunctioning location and perform the repair completion verification.
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No
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Remove the fuel injector and visually inspect fuel injector or leakage.
• If there is any malfunction:
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Repair completion verification 1
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VERIFY THAT VEHICLE IS REPAIRED
• Install/connect the part removed/disconnected during the troubleshooting procedure.
• Has the malfunction symptom been eliminated?
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Yes
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Complete the symptom troubleshooting. (Explain contents of repair to customer)
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No
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Refer to the controller area network (CAN) malfunction diagnosis flow to inspect for a CAN communication error.
• If the CAN communication is normal, perform the diagnosis from Step 1.
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Repair completion verification 2
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VERIFY IF MALFUNCTION IS CAUSED BY NOT PERFORMING PCM REPROGRAMMING
• Verify repair information and verify that there is a new calibration in the PCM.
• Is there a new calibration in the PCM?
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Yes
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Perform the PCM reprogramming and verify if the malfunction symptom was corrected.
• If the malfunction recurs, replace the PCM. (See PCM REMOVAL/INSTALLATION [SKYACTIV-G (WITH CYLINDER DEACTIVATION (US))].) (See PCM REMOVAL/INSTALLATION [SKYACTIV-G (WITHOUT CYLINDER DEACTIVATION (US))].)
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No
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Replace the PCM.
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