Question about Ford F-250
This is actually a recurring problem and is most likely caused by a vacuum leak. It is a rubber 90 degree elbow at the very rear of the manifold. This is generally the cause of the problem. It will be on the back of the motor and you should see it and it will most likely be cracked or sucked in more or less. Replace this elbow and you should have fixed the problem. Alot of people actually change the sensors to find out its a 2 dollar elbow and that will fix the problem. I have had to do this repair many times. If you need further assistance please feel free to follow up with a comment. If you have any questions also follow up with a comment. Thanks, Midwest-tek
Posted on Sep 17, 2010
I guess u know this is a lean engine O2 sensor code, here the list of items that cause this from the Ford diagnostics routine in the factory service manual.
Posted on Sep 15, 2010
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Posted on Jan 02, 2017
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