The evaporative emission control (EVAP) system is designed to store and burn fuel vapor. Fuel vapor consists of hydrocarbons ...

If you've had to have your car serviced or had a trouble code read, you may have heard about the PCM, but what does the ...

It’s part of the evaporative emissions system (commonly referred to as “EVAP”) and reads pressure in the fuel system to detect evaporative leaks, such as a loose or faulty gas cap.