
GT350 FUEL PRESSURE SENSOR EXTENSION HARNESS
This version of the extension harness is SPECIFICALLY FOR THE GT350 5 PIN SENSOR.
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 regulator
This 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.
Additionally, depending on the fuel rails used, there may be additional parts needed to relocate the fuel pressure regulator. If using Fore Innovations fuel rails, the adapter for the pressure sensor is typically able to be relocated, but with Whipple kits where the fuel pressure regulator port is machined into the rails, the port will need to be blocked and a new adapter installed into the regulator. Those parts can be found by clicking this link.
Harnesses are approximately 30 inches in length.
Fuel pressure sensor mounted in fuel rail. (Bottom green line)
In regulator (Bottom green line)