As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A ROUTINE TAKEOFF, THE PILOT NOTED FUEL FLOW FLUCTUATIONS. HE DECLARED AN EMERGENCY AND RETURNED TO THE AIR FIELD OF DEPARTURE. UPON INSP OF THE FUEL FLOW SYS, IT WAS FOUND THAT THE TRANSMITTER WAS GIVING FALSE AND ERRATIC INDICATIONS.