I think, not sure, that its the first one, I'm not exactly positive on that though, it would make the most sense to be damaged being right up front or maybe both could be gone idk
Funny thing is I had that same code and it was just an O2 sensor going dead after 110K miles lol
BV heads, P&P lower, windstar upper, comp 218/226, 4.2 bottom end, 3k stall, flow 40's, O/R x-pipe, Pacesetter lt's, Xcal2, 65mm tb, CAI, 8.8 w/ 3.73's, MM LCA's
coming soon: blower cam and intercooled M112
dealer for Ortiz Performance; tunes, cams, etc. PM me!