well i have a 1999 ford f150 xl. this truck started jerking and acting silly well then would not start back well a guy said it was the crankshaft sensor it would just crank and crank i changed it then nothing checked feul pump it was ok i changed a fuse ha ha and it started well after starting it was misfiring bad i changed the coil the coil packs it run good for one day and died again and blowing the fuse again the fuse is to the anti theft transceiver and control module i changed the computer with a used one and it would not start then i heard about the coded keys and all that and put my origanal computer back in it changed one coil pack and noticed it was split on the side it was not like that when i put it on well truck started and run for a little while went back out to start it and it wont stay running it will start but then die back out please someone help please!!!!

 

You're more likely to get help if you use punctuation. Your post is difficult to read.

You should stop guessing and check for trouble codes.

 

Not only do you have to make readable posts, you need to provide more details on the truck, like which engine it has?