2005 Mazda MPV ESFACTORY OEM SERVICE PROCEDURE

No.20 Fuel Odor (In Engine Compartment): Notes

FUEL ODOR (IN ENGINE COMPARTMENT) - DESCRIPTION AND POSSIBLE CAUSE

20 Fuel odor (in engine compartment)
DESCRIPTION 
  • Gasoline fuel smell or visible leakage
POSSIBLE CAUSE 
  • Excessive fuel pressure
  • Purge solenoid valve malfunction
  • Fuel tank vent system blockage
  • Charcoal canister malfunction
    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.
      • Fuel line spills and leakage are dangerous. Fuel can ignite and cause serious injuries or death and damage. Fuel can also irritate skin and eyes. To prevent this, always complete "BEFORE REPAIR PROCEDURE" and "AFTER REPAIR PROCEDURE" described in this manual.

        (See BEFORE REPAIR PROCEDURE .)

        (See AFTER REPAIR PROCEDURE .)

Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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