NO.20 FUEL ODOR (IN ENGINE COMPARTMENT) [LF, L5]
id010397802600
20 |
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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• Excessive fuel pressure
• Purge solenoid valve malfunction
• Fuel tank vent system blockage
• Charcoal canister malfunction
• Fuel leakage from fuel system
• PCM malfunction
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Diagnostic procedure
STEP |
INSPECTION |
RESULTS |
ACTION |
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1
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Visually inspect for fuel leakage at the fuel injector O-ring and fuel line.
Repair or replace the malfunctioning part according to the inspection results.
Inspect the fuel line pressure.
Is the fuel line pressure correct?
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Yes
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Go to the next step.
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No
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Replace the fuel pump unit.
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2
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Inspect for blockage/restriction vacuum hose between the engine vacuum port and the charcoal canister.
Inspect for blockage in the fuel tank vent system.
Is there any malfunction?
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Yes
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Replace the vacuum hose.
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No
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Go to the next step.
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3
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Inspect the purge solenoid valve.
Is the solenoid operating properly?
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Yes
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Go to the next step.
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No
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Replace the purge solenoid valve.
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4
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Connect the M-MDS to the DLC-2.
Switch the ignition to ON (engine off).
Retrieve any DTCs.
Are any DTCs present?
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Yes
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Go to the appropriate DTC inspection.
(See DTC TABLE [LF, L5].)
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No
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Inspect the charcoal canister for fuel saturation.
• If an excess amount of liquid fuel is present:
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5
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• Verify the test results.
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