Code P0442 Chevy Silverado Small EVAP Leak Detected **Easy Fix**

[@jameshelton8095]

Ida dropped that itty bitty valve piece down in the engine (chuckle). Neat smoke machine,, did not know about the. Thank you for sharing

[@wisdomisawesome5934]

Thank you my guy! Super clear and useful

[@edlozano8694]

what happens if you don’t fix the small leak ?

[@FreeAutoMechanic]

Other than it still leaks, not much. It does not affect the drivability of the vehicle or fuel mileage. And of course the Check Engine Light will remain illuminated.