I have a 2005 f150 4x4 lariat, 5.4. I was driving down the road normal, not speeding or anything when my truck died, I inspected everything and found the fuel
pump wasn't coming on when I turned the key, so i changed the fuel pump and filter, still wouldn’t start, so I checked all the lines for correct position and no collapsed lines. The pump turns on when you turn the key over, I got a code then changed the fuel pump driver control module I believe it was called, checked all plugs to make sure I was getting correct voltage to the pump the module and all the injectors, took injectors off and cleaned them, truck still will only turn over and not start, it’s getting spark, I don’t have a compression tester to test compression but it’s also getting fuel all the way to the fuel rail. I also checked all fuses and changed the few bad ones just in case, I don’t know where else to begin now im lost, a week before I changed the transfer case, I don’t think that has anything to do with it but just in case. I’ve heard rumors of after you change the fuel pump control module you have to take it to ford to be reprogrammed, im pretty much not throwing parts at it hoping one will fix it, someone said change the camshaft position sensor but I figure if it was bad I’d be getting a code? Help please

 

Welcome to the forum. I changed the fuel pump driver module & It started right up after replacing it without doing anything extra to it. I was not experiencing any problem with mine but when I removed the old one it was corroded. Here is a link about the problems with it.
Fuel Pump Driver Module- Check yours!! - Ford F150 Forum - Community of Ford Truck Fans
Is that what you replaced? If not that may be your problem.

 

Yes that’s what I replaced, I bought an oem one that has spacers to keep it off the axle to keep from corroding

 

At this point I would spray a little starting fluid into the intake, while cranking, to determine for sure that you have spark. It should start/attempt to start with the starting fluid if you have spark.
No reprograming required after FPDM replacement.
Report back with results of starting fluid test.

 

I took the spark plug and coil out and cranked it with my key fob and can see spark, I have tried the starting fluid while trying to start and it doesn’t start tho, that’s why I took the plug out to see if it was firing

 

you need spark, fuel, and compression to run. You indicate you have fuel and spark, but it would seem highly unlikely that you suddenly lost compression in all cylinders such that you can't even get it to fire.

seems like you either need to revisit your fuel and spark testing OR take it and get compression tested. seems far more likely that it will turn out to be spark or fuel related vs. total compression lost (unless there is more to back story on it dying).

 

which fuses were blown? do you think they blew at the same time that engine died, or prior/unrelated? have you retested them since?

 

Im not sure when but they weren’t related, one was for fog lights and one was the cigar lighter and obd port, which I found when I tried to hook scanner up, the only codes I got were for the sensor on the fuel rail which upon more research could also be caused by the bad fdcm, I changed it out and cleared the code and now I don’t get any codes at all besides one for passenger side air bag I don’t remember the code off hand. And yes I’ve tested all the fuses with a ohm meter, and all the plugs to the fdcm fuel pump injectors, sensor on fuel rail, all of those were from 11.4-12.1v

 

And yes I haven’t gotten the truck to start since I changed them but so far they haven’t blew again. I’ve read multiple things that say the fuel pump relay is part of the fuse box and their isn’t a specific fuse for the fuel pump, which when I turn the key over you can hear the pump, when you take the lines off at the filter I get a pretty strong flow for a second or 2 so it’s getting fuel out of the pump, then I took the line off at the fuel rail and it was good and had a good flow coming out there after priming it a few times( turning key on and off) I’m with you about I seriously doubt I lost all compression all at once especially since I don’t see any big holes or rods that came threw the motor. So I doubt that also, I was thinking maybe I got a bad fuel pump and was gonna take it off and take it back and get a new one, maybe doesn’t have enough pressure? But then again I would think if it wasn’t getting enough pressure it would Atleast start and die, I can’t even get it to try to start, even though when it turns over it’s a fast high pitched like it wants to start so I feel it’s something simple I’m over looking

 

you can have fuel pressure at the rail, but if injectors are not firing, then engine is not getting fuel.

if you spray starting fluid and it still doesn't fire/pop, then your problem is (almost assuredly) not for lack of fuel.

you indicate testing for 12v (and finding it), but in some cases, function is controlled/timed by providing ground (i.e. if pcm isn't providing ground then presence of 12v doesn't indicate function).

may want to invest some money with independent mechanic for some diag