FUEL PRESSURE SENSOR EXTENSION HARNESS

The factory fuel rails in our modern Fords have pulse dampening built in to smooth out the fuel pressure signal that the ECU sees.  Why is this important to you?  Because the control logic used in modern Ford ECUs has pressure compensation built in that adjusts fuel flow on the fly.  If there are significant variations in pressure readings, proper fueling can be adversely affected.  Below you will find pictures comparing fuel pressure fluctuations with the sensor in the rail vs in the regulatorThis harness allows for remote mounting the fuel pressure sensor away from the fuel rail, typically in the fuel pressure regulator of a return style fuel system.   There are currently two harnesses available.  One for 2018-2023 Mustang GT, and one for the 2020-2022 GT500.  They sensors for the two models have different keying for the connectors so make sure you order the correct one.  Pictures showing the keying are provided here, so check against your connector before ordering.  To check the key