were to start
 

02 7.3 stock 4" ex. codes u1262,po603,p1316,po344

sounds like a harness has came unhooked under the valve cover for the p1316 code run buzz test that will tell you the side thats came off and code p0344 cam sensor code only oem sensor for one that will last p0630 is a code for power to computer programmers set or of battery has been disconnected

thanks I only get 1 code now u1262