ses light is on... code P0410 on 2003 Cadillac DeVille

ses light stay on... The code is P0410. At 65mph I hear a whispering sound.

by in Jacksonville, FL on November 12, 2012
2 answers
ANSWER by , November 13, 2012
check online
ANSWER by , November 13, 2012
car needs further diag seek help from your mech