As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TYS A/C DIVERTED INTO TYS FROM ORD WITH A EICAS MESSAGE OF FUEL X-FEED FAILURE. THE CREW HEARD A CLICKING SOUND FOLLOWED BY A E2 LOW FUEL PRESSURE MESSAGE ON THE EICAS, CYCLED ALL THE PUMPS AND THIS DIDN'T SOLVE THE PROBLEM. THEN THE CREW DIVERTED INTO TYS WHERE MAINTENANCE REMOVED AND REPLACED THE CROSS FEED VALVE IAW EMB 145 AMM 28-21-04. OPS CHECK GOOD AND WAS RELEASED TO SERVICE.