P0442 on Subaru Forester: Small EVAP Leak, Rust, and the Right Diagnosis Before You Spend a Dollar
P0442 means the EVAP system self-test detected a small leak between 0.020 and 0.060 inches in diameter. On a Subaru Forester with any meaningful mileage, especially one driven in a state that uses road salt, rust is the most likely cause of that leak, and the fuel filler neck is the most likely location. Before […]