I read a post a few months back about someone's tranny searching for a gear while using cruise control. I noticed this past weekend that mine is doing the same thing. If I have the cruise on 60mph and I come over a hill and start to coast. Then when the cruise starts to resume, my speed will drop to around 50mph before the transmission finds a gear and starts back and then has to come out of OD and gain speed back to 60mph. I tried turning OD off and still got the same results. Before with the OD off, it would stay exactly at 60mph.

 

Need to know all of the following: Engine size, transmission, axle(s) gear ratio, and stock or oversize (if so, what size) tires.

Steve

 

I just noticed it the other day. I dont usually drive a long enough distance to use cruise. My tuner instructions say to never tow on the performance tune. I had a fairly heavy payload a few weeks ago and wonder in that has got it searching. I checked for any error codes and there were none. I changed to my tow tune and will use that for about a week and then go back to the performance tune and see if I get the same results.

project... Here are the answers to your questions: 5.4L, 4 spd auto trans, 3.73 limited slip, stock 275/65R18 tires.

 

With those parameter's I'd suspect the tune.

I'd suggest contacting Mike for ideas.

Steve

 

Thanks, Ill do that.
How is the Taurus SHO coming? We use to have one. Man that thing would fly!!