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  1. P0455 EVAP System Large Leak Detected - AutoZone

    Getting P0455 on your code reader? Learn what this code means and how to fix it.

  2. P0455 Trouble Code Explained: Common Causes & How to Fix It

    Feb 26, 2025 · The P0455 code means your vehicle has detected a large leak in the EVAP (Evaporative Emission Control) system, which is responsible for capturing and storing fuel …

  3. P0455 Code: Large EVAP Leak (Causes and How to Fix)

    Aug 5, 2025 · A loose or damaged gas cap is by far, the most common cause of fault code P0455. Therefore, a thorough inspection of your vehicle’s gas cap is an excellent place to start the …

  4. P0455 Code Meaning, Causes, Symptoms & Tech Notes

    Aug 19, 2024 · The P0455 code means that the control module has detected a small leak in the Evaporative Emission (EVAP). A loose fuel tank filler cap is the most common cause that will …

  5. P0455 Engine Code Explained: Causes, Symptoms & How To Fix It

    Aug 26, 2024 · Diving into the P0455 code, we’ll unpack its frequent triggers, telltale signs, and go-to fixes. We’ll also spotlight which makes and models are known offenders when it comes …

  6. OBD-II Trouble Code: P0455 Evaporative Emission Control System …

    Diagnose and repair a vehicle trouble code p0455 which is EVAP emissions control system leak detected (no purge flow or large leak).

  7. P0455 Code? Here’s How to Fix It – Quickly and Easily

    Dec 22, 2024 · A P0455 code indicates a gross leak in the evaporative emission control system, which can lead to increased emissions and decreased fuel efficiency. Common causes of a …

  8. P0455 - Evaporative Emission System Leak Detected (large leak)

    What Does OBD-II Fault Code P0455 Mean? OBD-II Code P0455 is defined as a Evaporative System Malfunction, Gross Leak. P0455 appears when the EVAP system has determined that …

  9. How To Fix P0455? | Evaporative emission (EVAP) system -large …

    Mar 18, 2025 · What does the P0455 Evaporative emission (EVAP) system -large leak detected mean? P0455 code gets triggered when the Engine Control Module (ECM) detects a condition …

  10. p0455 Code - System Gross Leak Evaporative Emission | KBB

    Has your car’s computer triggered the code P0455? Don’t worry, KBB.com has everything you need to know about this trouble code and how to fix it.