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Message: <blockquote data-quote="the old man" data-source="post: 29296" data-attributes="member: 15454">well i put the scanner on it this morning and guess what ????   no friggin codes.after scanning i cranked it up fired up idle at 1000 then in 3 minutes down to 700.i am thinking of stopping by the catholic church in town and have an exorcism performed.i am not catholic but perhaps my truck is ?    i remembered  yesterday that i had a oxy sensor put on about 4 years ago ...but then again it threw a code..  will a crank shaft sensor or cam shaft sensor throw a code if there is a yip in it ?</blockquote>