Can anyone tell me what the 2 engine codes 12 and 45 mean? The haynes manual does not list these. The "check engine" light stays on. Sometimes I can clean the two O2 sensors and disconnect the battery and this will clear the codes for a while but they still come back.
1997 Black XJ Sport 4x4, 1" Shackle/coil spacer lift, Ram Brush guard w/ 6in spot lights, Smittybilt Nerf bars, Class III Hidden Hitch, Elliptical Driving Lamps, Prime Wheels#234 15x8.5, 30x9.50r15, BFG AT's, JVC CD player, Alpine V12 Amp, 1-12in RockfordFosgate Subs, 5-1/4 Rockford Fosgate component speakers in doors & sound bar, Euro-spoiler, Pacesetter Cat-Back, Optima Red Top battery, HID Headlamp Conversion, Gabriel Hijacker Air Shocks on rear axle