The back 2 o2 sensors only monitor catalitic converter efficiency. So you cel will come on but it's nothing to worry about. Buy a tuner and shut them off
Black 2000 gt with a Mach 1 4v. 3.90 gears.Mac long tubes,prochamber,nitrous.
1982 Capri RS Turbo 1 of 22 built,putting today's tech into yesterday's style.