Fuel Vaporizer System Glow Plug
WARNING: This page is about a different car, the 2020 Ford F-550 Super Duty, 2020 Ford F-450 Super Duty, 2020 Ford F-350 Super Duty, 2020 Ford F-250 Super Duty, and 2020 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.
The fuel vaporizer system glow plug regenerates the diesel particulate filter by burning a controlled amount of fuel in the exhaust system upstream of the particulate filter. Fuel is delivered by the fuel vaporizer system pump and ignited by the fuel vaporizer system glow plug when the PCM commands a regeneration. The burning fuel increases the exhaust gas temperature to burn off particulates in the diesel particulate filter.