prob the blower motor i know i bought one had it like 4 days and it failed so i bought another and its been work about 1 month no problems but before you go buy a new blower motor check what horseydug listed

98.5 Black SE ATX S&B filter, SVT MAF, optimized SVT TB, mesh grille, removed orange reflectors, painted rear reflector, gutted pre-cats, optimized SVT LIM, 19lb injectors, resonator removed cant afford an svt but lookin for 1 in nc