Evaporative Emission System Leak Detected - Brightlocal News
As you drive and conditions allow, the engine computer (pcm) tests the evap system for leaks by monitoring pressure or vacuum inside the system. The code p0442 indicates that the engine … Learn about trouble code evaporative emission system leak detected and how to fix it in this article.
Fixing an evap leak promptly helps prevent more serious engine or emissions problems. Mechanics often find evap leaks caused by simple issues, such as a loose gas cap or a cracked hose.
