What is fault code P0457?
What is fault code P0457? Code P0457 stands for Evaporative Emission System Leak Detected (Fuel Cap Loose/Off). The evaporative emissions (EVAP) system is designed to prevent hydrocarbons (fuel vapors) from escaping into atmosphere. What is EVAP emission control? Evaporative Emissions Control The Evaporative Emission Control System (EVAP) is used to prevent gasoline vapors from escaping into the atmosphere from the fuel tank and fuel system at all times. The EVAP system is designed to stop fuel system fumes from leaking directly into the atmosphere. What does the p0457 code on the Check Engine light mean? When the PCM (powertrain control...