codes po 441,440 446

engine-codes.com

P0441 EVAPORATIVE EMISSION CONTROL SYSTEM INCORRECT PURGE FLOW P0440 EVAPORATIVE EMISSION CONTROL SYSTEM MALFUNCTION P0446 EVAPORATIVE EMISSION CONTROL SYSTEM MALFUNCTION There is some type of problem with your evaporative system. This could be any number of problems, faulty purge valve, gas cap, fuel tank filler neck tube, charcoal canister, vacuum switching valve, fuel pump, etc. The proper diagnosis would have to be performed in order to narrow down the problem, otherwise you will be guessing and replacing parts that may not need to be replaced. It could be a simple as a bad vacuum/evap hose. Feel free to call us with any questions at 847-352-2886 (Schaumburg Automedics 503 Lunt Ave. Schaumburg 60193) or you would like, you could bring your vehicle to us and we can diagnose the problem for you. Thank You.