I have a 08 f250 6.4 and when im driving hard it dies a while after I go to restart it and it flashes the theft light at me so I click the ignition over alot and finaly get it started agian and I cant figure out what its problem is please help me I dont know much about these 6.4s but I know I have had it for 6 months and I regret buying it when it does this

 

Well the temp sensors in the pipe where reading to high and shutting her down going to relocate them v

 

Moved to the 6.4 forum. How are you monitoring your EGT's/ECT/trans and all?