P0442 Purge control system has slight leak / Leak in hose connection or shutoff valve of activated charcoal canister (P0442)
P0442 Purge control system has slight leak / Leak in hose connection or shutoff valve of activated charcoal canister (P0442) Possible cause: Purge control system has leak (function chain) Affected functions: Fuel system Test 1: Fuel tank leak test ( Valid for (USA) ) 1. Fuel tank leak test ( Valid for (USA) ) Warning!Communication with ECU required.