Looking to see fuel pressure during cranking on a ford fiesta 1.4tdi ( uk model), however as soon as I begin to crank the scan tool loses comms with the vehicle,hence no live data stream?..Its fine with other manufacturers.
Try connecting with the usb instead of bluetooth If you are trying wireless on some the manufacture of some late models loose power to the connector in start mode disconnecting the wireless function. I worked for Honda for years and some models disconnect if you are wireless. Just an idea.