P1131 and P0131 codes
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Joined: Mar 2002
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From: Naugatuck U.S.A.
P1131 and P0131 codes
Hi friends,I'm getting these two codes from a friend at Autozone.The computer says P1131 h20 sensor,and P0131 lean mixture detected.I replaced both 02 sensors and the CEL still goes on after 10 or 15 miles.Then, while driving it will go off for awhile, then back on for a couple hundred miles.My 1996 F150 5L 5-Speed seems to run fine otherwise.But I just bought the truck 2 months ago and only has 51 K .I like the rig and Im concerned.Where do I look next?
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Joined: Jul 1999
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P1131 and P0131 codes
There is more to finding the cause of the problem than replacing the part , I read this article last night , It very well may apply to what you describe with your truck . Read on ...
http://www.motorage.com/motorage/article/articleDetail.jsp?id=15883
http://www.motorage.com/motorage/article/articleDetail.jsp?id=15883
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