Torqued_Up Posted December 16, 2005 Share Posted December 16, 2005 Just a word to the wise - I have been seeing a few of these Super Duty speedo problems, they bounce wildly or go up to 20 MPH and stuck there or peg. SSM#5165 shows a concern with 2006 trucks built before 6/15/05 but I have one built 8/26/05 doing this. Have also seen a 2005 do this.I think this is different than SSM# 5166 dealing with Coil on plug trucks (gassers) which are also having problems. My point is to do some research and run oasis if you have one of these. It always seems to be the cluster! Quote Link to comment Share on other sites More sharing options...
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