Cold Start Valve
WARNING: This page does not describe the selected car, but rather 31 other vehicles, including the 2017 Lincoln Navigator, 2017 Lincoln MKZ, 2017 Lincoln MKX, 2017 Lincoln MKT, and 2017 Lincoln MKC. However, it is still accessible from the selected car via links, so may be relevant.
The cold start valve is located on the cold start fuel reservoir. The cold start valve allows the fuel supplied by the cold start fuel pump into the cold start fuel line to the intake manifold, when the cold start fuel valve is commanded on by the PCM.