For Reference Only: CONTOUR 98-99 Elec Cont Unit (ECU); (behind PS reservoir), 4-121 (2.0L), AT, w/o Bi-fuel; std emis (Fed), 98BB-BXA COUGAR 99 Elec Cont Unit (ECU); (behind PS reservoir), 6 cyl, AT, low emissions, ID 98BB-BXA MYSTIQUE 98-99 Elec Cont Unit (ECU); (behind PS reservoir), 4-121 (2.0L), AT, std emis (Fed), 98BB-BXA Please make sure to match the part number of the item with the one you have. All computers have to be reprogrammed through dealership. We do not provide reprogramming service. We are also not responsible for any kind of labor cost or reprogramming cost. Powered by SixBit's eCommerce Solution