Driving down the interstate this morning and it died!

[barlowchiro]

Driving to work this morning doing 68 on the interstate. All of a sudden the motor dies. Radio, flashers, etc... all still work. I coast to the end of the exit ramp and try to restart the truck. Nothing. No turn over no noises whatsoever. Waited 15 min after calling tow truck, mechanic, and wife. Tried again and it turned over for 4-5 sec but wouldn't fire. Turned the key off and back on again and it turned over for 4-5 sec and fired. I drove the remaining 4 miles to work with no issues. I do have a security button. When I turn the key to the run position, I have to press this little button to start the truck. I thought maybe that thing was acting up.

Any other suggestions??

[ruizhernandeztrust]

Did you checked all the fluids of your truck to see if everything are fine and a correct level? The 6.4L will not stall without a valid reason.

[barlowchiro]

Yeah. All fluids are fine. All gauges are good. It runs perfect. I hope it was just the security starter was acting up.

[barlowchiro]

Well. It ran fine for two days after that first incident. On my way to work this morning less than 2 miles from my house and it died again while I was going 55 mph. Pulled over on the shoulder. This time it would turn over but wouldn't start. After about 5 min, it wouldn't even turn over. This is the second time in a week. I have it at the mechanic now. Hopefully he can figure out what is wrong with it!!

[WildStyle]

Did you pull any codes with your mini max?

[barlowchiro]

how do you do that???

[fordpwrstroke7]

Check the ground to your PCM. Literally, just make sure the nut is tightened down.

[barlowchiro]

It is at the mechanics right now. I don't have access to it. But i will relay the message to check the PCM ground.

[mxpowerstroke457]

Check your batteries. I had something like this happen to me about 2 months ago. I just got it back on the road. My truck just shut off exactly like your saying, i checked my codes on my SCT and cleared the one code, truck fired up, then shut off after backing up 10ft. My security module locked me out so i couldnt look at codes or do anything on my tuner. At the time i didn't know much about tuners so i called SCT and delt with them for 2 months sending them modules ect ect, they were no help. Took my truck to Innovative Diesel in MD.

What happened was one of my battery cables was shorting out, causing a surge. This shut down all of the computer modules in the truck to save them from being fried. When i cleared the code, they fired back up and i was able to start the truck, until the security module locked me out.

These trucks have miles of wire on them, but the first thing i would look at is to make sure all battery cables, and batterys are in good shape.

Just thinking out load for you..

[barlowchiro]

Well...couldn't find anything wrong with the truck at the mechanic's.

I do have a little button hidden in the dash that you have to push after turning the key to the run position. Then and only then will the truck start. Some sort of security thing.

Any ideas on what this could be? I want to have it removed, as that is the only thing we can think of that could be causing this problem.