Re: Fault codes 15 and 23
I've been trying to figure out this exact problem on ours for a few months now. Replaced the rear O2 sensor, but no change...
Black 1999.5 F250SD XLT AUTO 4x4 reg. cab(6/99), Pre-pump & Tank Mods, AFE Intake, Racor Filter/Separator, HX Mod, ZooDad, WW, Power-pedal Mod, Pop-up gooseneck ball,Brush Guard, 3.5" lift, BFG Commercial AT tires (265/75), 65hp ATS chip
1993 Probe GT
1998 Escort ZX2
Drain Valve Repair Pics