So I installed an OEM cruise control kit on my 03 F150. All went well with the exception that it doesnt work. After completing the install, I start my truck and it immediately revs upwards of 2k rpm and continues idling that high.

Anyone have a clue what could be the issue? I'm thinking two things:

A) I have to have the computer re-programmed (instructions said nothing about it)

or
B) I have a faulty/wrong relay, servo, etc..

Can anyone assist me...

Thanks

 

Either the servo cable is pulling on the accelerator linkage due to mis-adjustment, or you've introduced a big vacuum leak.

Disconnect the servo cable and see if your idle is corrected. If it does, look at the servo cable mounting and adjustment.

Steve

Steve

 

see my thread below. I did the same thing, I made the cable a little longer by moving the end at the throttle body and reglueing it. I got the idle down to where it should be. No one gave any advice yet on this. But then..... see link https://www.f150online.com/forums/sh...cruise+control