Aug 5, 2025 · If your car's ECU throws a P0455 trouble code, it's typically not serious but you still want to correct the problem. Here's how to fix DTC P0455...

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 …

You may be wondering, how do I fix trouble code P0455? Learn more about this helpful emissions system and how you can restore your vehicle and remove this trouble code.

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 …

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 …

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 …

Quick Summary P0455 = “EVAP System Leak Detected – Large Leak.” Typical driver cues: illuminated Check‑Engine Light, strong fuel‑vapour odor, or an emissions‑test failure. The …

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

Dec 9, 2025 · The P0455 code specifically means “Evaporative Emission Control System Large Leak Detected.” The EVAP system’s primary function is to capture gasoline vapors that …

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.