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Fuel Odor (In Engine Compartment) (VIN Y): Outline

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FUEL ODOR (IN ENGINE COMPARTMENT) (VIN Y) DESCRIPTION AND POSSIBLE CAUSE

Troubleshooting item Fuel odor (in engine compartment)
Description
  • Gasoline fuel smell or visible leakage.
Possible cause
  • 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)
  • Evaporative hose (disconnection, damage) between fuel tank, pressure control valve, charcoal canister main, purge solenoid valve, check valve (intake manifold side), and intake manifold (U.S.A. and CANADA)
  • Fuel leakage at the fuel injector
  • Purge solenoid valve malfunction (stuck)
  • Check valve (intake manifold side) malfunction (stuck)
WARNING:
  • The following troubleshooting flow chart contains the fuel system diagnosis and repair procedures. Read the following warnings before performing the fuel system services:
    • Fuel vapor is hazardous. It can easily ignite, causing serious injury and damage. Always keep sparks and flames away from fuel.
    • Highly pressurized fuel may spray out if the fuel line is cut. Due to the following dangers occurring with a fuel spray, always complete the [Fuel Line Safety Procedure] to prevent the fuel from spraying. (Refer to BEFORE SERVICE PRECAUTION (VIN Y) .)
      • Fuel may cause irritation if it comes in contact with skin and eyes.
      • If fuel ignites and causes a fire, it may lead to serious injury or death, and damage to property and facilities.
    • Fuel is highly flammable and dangerous. Fuel line spills and leakage can cause serious injury or death, and damage to equipment. Always refer to the [Quick Release Connector Removal/Installation (fuel system)] before performing the fuel hose installation, and execute the [Fuel Leakage Inspection] after installation. (Refer to QUICK RELEASE CONNECTOR (FUEL SYSTEM) REMOVAL/INSTALLATION (VIN Y) .) (Refer to AFTER SERVICE PRECAUTION (VIN Y) .)
CAUTION:
  • Disconnecting/connecting the quick release connector without cleaning it may possibly cause damage to the fuel pipe and quick release connector. Always clean the quick release connector joint area before disconnecting/connecting, and make sure that it is free of foreign material.
System wiring diagram
  • Not applicable