No idea other than to jack it up and check all the connections. Never had a problem with any of mine. How you like the car so far? There is a facebook page for Roush owners and an owners group,
Roush Road Crew that has meets and events.
Side note: You list the car as 575 hp which is a Phase I, not 2, their at 625hp.
2015 Stage 3 Roush
'66' Ranchero w/almost done 302 T-5 swap
2000 4x4 Ranger
2003 4x2 Ranger
'69' Fairlane Cobra, 428 4-speed waiting for work