OBD Code
P0442 — EVAP System Small Leak
P0442 commonly indicates a small evaporative-emissions leak is detected — frequently a loose or worn fuel cap. Scan the live data and…
SeverityLow
Evaporative System
OBD Codes
OBD Code
P0446 — EVAP Vent Control Circuit
P0446 commonly indicates the EVAP vent-control circuit has a fault, often the vent valve or its wiring. Scan the live data and…
SeverityLow
OBD Code
P0456 — EVAP System Very Small Leak
P0456 commonly indicates a very small evaporative leak is detected, commonly a cap or tiny seal leak. Scan the live data and…
SeverityLow
OBD Code
P0440: EVAP System Malfunction
P0440 usually means the evaporative emissions system has a general fault or cannot seal as expected. Usually OK to drive if there…
SeverityLow
OBD Code
P0457: EVAP Leak Detected, Fuel Cap Loose Or Off
P0457 usually means the evap system sees a leak pattern often associated with a loose, missing, or poorly sealing fuel cap. If…
SeverityModerate
OBD Code
P0455: Evaporative Emission System Leak Detected (Large Leak)
P0455 means the fuel vapor system has a large leak — and the most common cause is simply a loose, damaged or…
SeverityLow