2010 F150 cranks but won't start

Asked by Aug 08, 2016 at 09:06 PM about the 2010 Ford F-150

Question type: Maintenance & Repair

Talked to Ford Co. today (8/8/16) We need a large
group of people to call Ford to report the
issue...otherwise they won't see it as such a big
problem.  Reading this forum supports that it is a
big problem.  Please call 1-800-392-3673 and
report or register your problem to them!!!
PLEASE call so we can get this problem fixed!!!  
Thanks!

22 Answers

47,765

You need a large group of people to call Ford because your F-150 won't start? It is not a big problem as far as I can see.

2 of 2 people found this helpful.
60

Bob, I believe he is referring to a very specific problem which seems to have been going on in a lot of late model Ford/Mercury product. It is posted in several other threads on this site with no true resolution. The vehicle in questions starts having crank, no start issues and seems next to impossible to definitively diagnose. It now appears that it is linked to the fuel pump driver module. In some cases it manifests by overheating the fuse to the fuel pump relay which powers the fuel pump. I just successfully solved the issue on my 2009 F150 after months of random crank, no start episodes. Early on it manifests after the vehicle has set for about 6-8 hours. Late in the game it get even more unpredictable. Mine caused damage to the underhood fuse box. The fuse rarely blows, it just gets hot and melts the fuse casing and possible the fuse box.

6 of 6 people found this helpful.
60

Don't be a troll bob!

10

Thanks to LarryM70. I experienced my 2009 F150 5.4 V8 starting in the morning, drive to town and when the truck was turned off, it would not start for an hour. Here is the melted 20a fuse for the fuel pump relay. Duke@66749

1 of 1 people found this helpful.
25

Well it worked! Have a 2010 F-150' that would crank but wouldn't start. Have 91,000 miles and never had any problems till now. Found the 20 amp low profile fuse for the fuel pump relay, pulled it and it was fried. Replaced it with another one and it started right up. Saved me probably 200-300 dollars. Thanks, Scott Meadows

2 of 2 people found this helpful.
30

I just wanted to say thank you to you guys. I walked out of the store to my F150, 2010 and had the above listed problem. I thought what have I got to lose before I call a wrecker. Sure enough fuel pump relay fuse fried. Pulled the 20 amp from the trailer light relay slot. Truck started right up. Got to parts store. New fuse boom I'm running again. Thank you for being here and doing what you do.

3 of 3 people found this helpful.
20

happened to me too. 2015 F150.

2 of 2 people found this helpful.
20

I have to also add in BIG THANK YOU!!! My 2010 F150XLT wouldn't start and kept cranking over. I looked at the 20Amp Fuse for the Fuel Pump Relay and it was toast like the one in the above picture. You guys save me a lot of money. I used the 20amp Trail lights fuse as Spartacus 1000. Just Temporary. Thank Again.

2 of 2 people found this helpful.
30

Thanks to all of you for posting the "All crank and No start", being the fuse. My truck 2010 F150 XLT. It wasn't as fried as your pictures, it only had a little black dot and a slight discoloration on the plastic.

30

Does anyone know why this happened? I'm going to trace the wiring that goes to the fuel pump relay and to the fuel pump for any bare wires. I'll be back with my findings. I appreciate the help. Thanks again.

Where is this 20Amp Fuse for the Fuel Pump Relay located? My problem is intermittently

30

it's in the fuse box in the engine compartment, right up front next to the radiator. Its number 27. _ + _ _ _ _ This is #27. _ _ _ _ _ _

1 of 1 people found this helpful.
30

there are two rows of six, #27 is in the row closes to the cab.

Thanks Donald

30

The fuel pump driver module can be the cause for this, and you can find it above your spare tire.

1 of 1 people found this helpful.

Donald do you know the replacement of the fuel pump driver module replacement tech level?

30

I do not. I'll be doing it for myself. it looks pretty easy to change.

1 of 1 people found this helpful.
10

Larry - THANK YOU.. We've had the truck towed to the shop 3 times in the last two weeks.. F150 5.4 XLT first tow?? it sat before it was looked at.. and then it started.. kept starting the rest of the day.. second tow?? they replaced the fuel mod.. thinking this would fix the issue.. it started up and seemed resolved.. third tow?? it sat overnight and started up the next day.. week later - looking at tow number 4 til we read your post - fuse is fried - quite badly.. buying a new one as i type :D

1 of 1 people found this helpful.
10

..and $3.49 later.. success at last!!

10

My 2010 Ford F-150 XLT is experiencing this now. All crank, no start. Soon as I get a chance I'll check the fuse box. Does anyone know where I can go to view a diagram for the fuse box? Tom D.

1 of 1 people found this helpful.
10

This just happened to me as well for my 2010 F-150

1 of 1 people found this helpful.
10

Update to my crank but no start post 6 days ago- Found no blown fuse but 1 Relay seemed slightly loose. Gently wiggled and pushed in all fuses and relays. Also gently tapped on all with my fingertip. Truck started normally. All is well.

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