could codes be stuck in hard drive on computer,also 4 o2 sensors ,costly advise on 2003 Ford F-150

whats this?

by in Clover, SC on November 15, 2012
2 answers 4 comments
ANSWER by on November 15, 2012
post codes so we can adv
COMMENT by on November 15, 2012
0131,also did induction clean
COMMENT by on November 15, 2012
i assume thats po131 code. you have o2sensor wiring issues. i rec you throw in the towel and go get a diag and est.sorry its going to be a tu=ough one
COMMENT by on November 17, 2012
thanks,can o2 be back probed,to find possible faulty one ,also disconnected battery ,pulled 50 amp fuse power source also relay pcm,also had parts house dump codes ,came back 20 30 miles later seafoam in gas also induction wise;call if you like 17273753244 bob
ANSWER by on November 15, 2012
yes, codes could be stuck...if you dont clear them
COMMENT by on November 19, 2012
hey guys,thanks engine ser lite comes on 20 miles or so,reset have erased ,pulled relays pcm ,power source also ,, seafoam in tank throttle boby still same ps 2003 ford 100k ,could low octane be issue?o2 check good advise ;