It is a F-250 Ext Cab 7.3 PSD only mods are intake and 4" MBRP exhaust. I am going to pull the codes and check the Speed Sensor today when i get home Hopefuly that is the issue. Thanks for the help I will let you guys know what i find out.
I started the truck this morning and took off to find out that i wasn't registering anything on the speedometer. I don't know where to start with this problem? Is there a speed sensor that could be out? I have a 2001 F-250 PSD Ext cab. Any insight that you guys could shed on this problem would...