http://www.contour.org/FAQ/FAQ.php?s=probs&displayid=10

try looking in the faq for your cel codes.
p1000-obd-11 monitor testing incomplete
po131-upstream heated o2 sensor circuit out of range-bank 1
po171-system too lean-bank no. 1
p1131-lack of upstream heated o2 sensor switch-sensor
sensor indicates lean-bank no.1
p1137-lack of downstream heated o2 sensor switch-
sensor indicates lean-bank no.1
p1152-lack of upstream heated o2 sensor switch-
sensor indicates rich-bank no. 2
p1157-lack of downstream heated o2 sensor switch-
sensor indicates lean-bank no. 2
good luck! where do you live at in ohio? i live in wv and have taken my car to astorg motors in parkersburg,wv which by the way i wouldn't go there unless you absolutely had to.

2006 fusion sel 1998 grand prix gtp(wife) 1993 dodge shadow es(winter beater)