P0455 Code: Nissan Rogue (2021-2024) - Causes, Symptoms & Fixes

Below is a comprehensive diagnostic guide for P0455 (Evaporative Emission Control System Large Leak Detected) tailored to the 2021–2024 Nissan Rogue. This guide uses general EVAP knowledge for the diagnostic steps and repair options, and it references only data provided in your NHTSA excerpt. Data limitations: In the supplied data, there are no recalls for the 2021–2024 Rogue, and there is only one owner complaint (P0301) shown. No P0455 complaints are listed in the data you shared.

CODE MEANING AND SEVERITY

• Code meaning: P0455 indicates a large leak in the EVAP (Evaporative Emission Control) system. The vehicle’s computer detects a leak large enough to exceed its diagnostic threshold for the EVAP system.
• Severity and impact:
  • Emissions-related fault that typically turns on the MIL (check engine light).
  • Usually does not directly affect engine performance or drivability, but it can cause a failed emissions test and may be accompanied by a noticeable fuel odor.
  • A large leak can worsen fuel economy and may occasionally lead to intermittent drivability issues if the leak interferes with vacuum lines or the purge system, but most Rogue owners notice emissions-related symptoms rather than dramatic engine symptoms.

COMMON CAUSES ON NISSAN ROGUE

• Loose or defective fuel cap (or a capless filler system with a failing seal/locking mechanism).
• Damaged, cracked, or disconnected EVAP hoses and vacuum lines.
• Leaking or cracked charcoal canister (EVAP canister).
• Faulty purge valve (solenoid) or a purge valve stuck open/closed.
• Leaking or failed vent valve in the EVAP system.
• Leaks around the fuel filler neck or around the fuel tank area.
• Aftermarket modifications or damaged fittings in the EVAP plumbing.
• In some cases, a failed or sticking leak-detection pump (if equipped) or issues with the onboard diagnostic monitor.

SYMPTOMS (POSSIBLE)

• Check Engine Light (MIL) in the instrument cluster.
• Noticeable fuel odor around the vehicle or fueling area.
• Emissions test failure due to expired or active EVAP monitor.
• Infrequent cases: slight rough idle or hesitation if the leak affects vacuum in the intake with some other fault codes present.
• Normal vehicle behavior with other times where the EVAP monitor runs and completes without active symptoms.

DIAGNOSTIC STEPS

Note: Use a quality OBD-II scan tool and, if possible, drive cycle data and EVAP monitor data. For many Rogue owners, a professional smoke test is the most reliable method to locate large leaks.

• Step 0: Confirm the DTC
  • Read the DTCs with a scan tool and note any related codes (P0440–P0443, P0456, P0457, etc.). Clear codes after repairs only if you have confirmed the fault is resolved.
  • Check freeze-frame data and monitor status to understand when the fault occurred (cold/hot start, fuel level, etc.).
• Step 1: Visual inspection
  • Inspect the gas cap or capless filler seal for proper seating, damage, or missing components.
  • Inspect EVAP hoses and clamps for cracks, splits, abrasions, and loose connections; check all visible lines from the fuel tank to the engine bay.
  • Inspect the EVAP canister (charcoal canister) for cracks, damage, or signs of oil exposure or flooding with fuel.
  • Look for signs of fuel smell near the rear of the vehicle or around the EVAP system components.
• Step 2: Check purge and vent valves
  • With a scan tool, command the purge valve to open and close and observe response (vacuum changes in intake manifold, audible click, or flow through the line).
  • If possible, test the purge valve’s electrical control and resistance, and verify it seals when de-energized.
• Step 3: EVAP system pressure/flow testing
  • Perform an EVAP system pressure test (if equipped with a servicemanometer) to identify the location of the leak.
  • A smoke test is highly effective: introduce smoke into the EVAP system and locate the path of the leak (around hoses, canister, filler neck, or seals).
• Step 4: Inspect the fuel filler area
  • Check for leaks around the filler neck, seals, and mounting points. In some Rogue configurations, the filler neck and related grommets are common leak points.
• Step 5: Check related components
  • If the vehicle has multiple EVAP components (vent valve, purge valve, canister, hoses), test or replace components as indicated by diagnostic results.
• Step 6: Repair and verify
  • Replace or repair the faulty component(s) and re-test the EVAP system.
  • After repair, clear the codes and perform drive-cycle tests to allow the EVAP monitor to run and set. Confirm that P0455 does not return.
• Step 7: If symptoms persist
  • If no leaks are found but the code remains, consider re-testing the EVAP system with more advanced diagnostics or seeking professional service. In some cases, intermittent leaks or degraded seals may require more extensive inspection.

RELATED CODES

• EVAP-related codes commonly seen with P0455 data:
  • P0440: Evaporative emission control system malfunction.
  • P0442: Evaporative emission small leak detected (grossly different from a large leak).
  • P0456: Evaporative emission system very small leak.
  • P0457: Evaporative emission system leak detected.
• Other EVAP-related or vent/purge valve codes (depending on the year and configuration) may accompany P0455; always review all DTCs together for the full system picture.

REPAIR OPTIONS AND COSTS (2025 PRICES)

Note: Prices vary by region, shop, and whether the Rogue is under warranty. The ranges below are typical U.S. market estimates for 2025.

• Gas cap / capless filler seal

  • Parts: $5–$60
  • Labor: $0–$60 (DIY or dealer depending on location)
  • Typical total: $5–$120
  • Notes: If the cap or seal is defective, replacing it often resolves P0455 immediately.

• EVAP hoses and simple fittings

  • Parts: $20–$150
  • Labor: $80–$250
  • Typical total: $100–$400
  • Notes: Cracked or loose hoses are common sources of large leaks.

• Purge valve (solenoid) replacement

  • Parts: $40–$200
  • Labor: $60–$180
  • Typical total: $100–$380
  • Notes: A faulty purge valve can cause either large or small leaks depending on its condition.

• EVAP canister (charcoal canister) replacement

  • Parts: $150–$600 (depends on OEM vs aftermarket)
  • Labor: $200–$600
  • Typical total: $350–$1,200
  • Notes: Canister failure is a common cause of larger leaks, but replacement is more involved.

• Fuel filler neck or vent valve repairs

  • Parts: $50–$300
  • Labor: $60–$180
  • Typical total: $110–$480
  • Notes: Leaks at the filler neck or vent valve can be overlooked without a thorough inspection.

• Comprehensive EVAP system repair (multiple components)

  • Parts: $100–$800+
  • Labor: $150–$600
  • Typical total: $350–$1,400+
  • Notes: If multiple components fail or a leak is widespread, costs climb accordingly.

DIY vs PROFESSIONAL

• DIY feasibility:
  • Easy/Moderate: Replacing a gas cap or repairing obvious cracked hoses and clamps is often doable by a capable hobbyist.
    Moderate: Replacing a purge valve or diagnosing a capless system leak may be feasible with the right tools, a service manual, and careful testing.
    Advanced: Replacing a charcoal canister or performing a full EVAP smoke test typically requires specialized equipment and knowledge; many Rogue owners benefit from professional service.
• Professional considerations:
  • A smoke test or EVAP pressure test is highly effective to locate large leaks quickly.
  • A professional shop can access Nissan-specific service information and the correct diagnostic procedures for the Rogue’s EVAP system.
• Safety:
  • The EVAP system is pressurized and can contain gasoline vapors; avoid opening lines when the system is pressurized or hot. Follow proper procedures and PPE when performing tests.

PREVENTION

• Keep the gas cap (or capless seal) in good condition and ensure it closes fully after fueling.
• Use high-quality fuel and avoid holding fuel nozzle in a way that causes splashing back into the system.
• Periodically inspect visible EVAP hoses for cracking, splitting, or rubbing against sharp edges.
• Address small fuel odors or minor EVAP symptoms promptly; small leaks can grow into larger leaks if neglected.
• If you recently repaired or replaced EVAP components, verify all connections are tight and that there are no exhaust or vacuum leaks nearby that could mimic EVAP leaks.
• When replacing components, use OEM or equivalent-quality parts to maintain system integrity.

Final notes about data limitations

• The provided NHTSA data shows no recalls for the 2021–2024 Nissan Rogue in the excerpt, and there is only one unrelated P0301 complaint. No P0455 data is listed in the provided dataset. Therefore, this guide uses standard EVAP diagnostic knowledge with the explicit caveat that Rogue-specific EVAP issues, fail points, or recall/T SB entries beyond what you supplied are not cited here. If you have access to updated NHTSA or Nissan service materials, those may reveal model-year or region-specific EVAP nuances not captured in the current data.