it didn't start one day then it did, then it wouldn't, I held key on for 10 min. started then next day wouldn't start, disconnected neg. wire on battery let sit then held it to pos. post turn key on waited awhile, then put neg. back truck started. drove it for a day hasn't started in a week tried same stuff again. has new fuel pump new fuel filter new battery going to get copy of key to see if that works, has no spark help please!!!