Symptom hub
Fuel Smell Near the Rear Wheel: EVAP Leak, Filler Neck, or Canister?
A fuel odor strongest near the rear wheel or by the tank usually pushes the diagnosis toward the rear EVAP hardware, filler-neck area, canister, vent plumbing, or a leak that appears only when the tank is full or the vehicle is parked.
Likely related codes
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P0442 — EVAP System Leak Detected (Small Leak) P0455 — EVAP System Leak Detected (Large Leak) P0456 — EVAP System Leak Detected (Very Small Leak) P0446 — Evaporative Emission Control System Vent Control Circuit P0440 — Evaporative Emission Control System Malfunction P0453 — Evaporative Emission Control System Pressure Sensor High Input P0449 — Evaporative Emission Control System Vent Valve/Solenoid Circuit P0454 — Evaporative Emission Control System Pressure Sensor/Switch Intermittent P0457 — Evaporative Emission Control System Leak Detected (Fuel Cap Loose/Off) P2421 — EVAP Vent Valve Stuck Open
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