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!

40 Answers

52,065

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.

5 of 5 people found this helpful.
160

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.

15 of 15 people found this helpful.
160

Don't be a troll bob!

1 of 1 people found this helpful.
70

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

7 of 7 people found this helpful.
75

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

7 of 7 people found this helpful.
70

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.

7 of 7 people found this helpful.
70

happened to me too. 2015 F150.

7 of 7 people found this helpful.
60

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.

6 of 6 people found this helpful.
155

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.

2 of 2 people found this helpful.
155

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.

2 of 2 people found this helpful.
10

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

155

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

6 of 6 people found this helpful.
155

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

1 of 1 people found this helpful.
10

Thanks Donald

155

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

2 of 2 people found this helpful.
10

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

1 of 1 people found this helpful.
155

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

2 of 2 people found this helpful.
40

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

3 of 3 people found this helpful.
40

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

1 of 1 people found this helpful.
70

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.

2 of 2 people found this helpful.
30

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

3 of 3 people found this helpful.
70

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.

Just wanted to add my thanks as well! Just saved a trip to the dealer. Great information, well done.

Thanks everyone, same thing happened to my husband's truck. We were about to spend $100 to have a shop run some tests, but so happy I stumbled onto this website before going. Much appreciated!!!

20

Thank goodnessI took a minute to look and found this!! I too had the exact same problem. I have a 2010 F-150 with 95,000 miles. Just went out and had it not start even though it was turning over. Took your advice and fixed it easily. Thank you very much!

2 of 2 people found this helpful.
70

ATTENTION EVERYONE: FORD KNOWS ABOUT THIS FUSE BOX ISSUE AND ITS WITH THE 20A FUSE AND WIRING IN FUSE BOX FOR THE FUEL PUMP. DEALERS HAVE A KIT ON HAND TO REROUTE TO ANOTHER LOCATION THE FUSE AND POSSIBLY INCREASE THE WIRE SIZE AND POSSIBLY THE FUSE SIZE TOO. DEALER TOLD BE THERE IS NO RECALL YET SO THE REPAIR IS APOROX $415-$450. I'LL HAVE THEM DO IT TODAY, BUT THIS IS A COMMON PROBLEM AND I SERIOUSLY ENCOURAGE ANYONE HAVING THIS "CRANKS BUT WON'T START/RUN" PROBLEM WITH 2010 F-150 OR SIMILAR TO PLEASE CALL FORD CORPORATE AND INSIST THEY DO A RECALL TO FIX THESE TRUCKS.

2 of 2 people found this helpful.

Happened to my 5.4 ford f150 too the thing just died in an intersection. Thank you for this forum. Fuse was culprit

Just happened to me too. 2010 F-150 with 120K miles. Had trouble starting for about 2 weeks. Finally gave up on me yesterday, and thankfully I found this post! Yellow plastic of the fuse body was melted. Replaced it and good to go! Thank you very much to all who post and help others out!!!

Thanks, solved the problem on my 2010 F-150, 20amp fuse welded in fuse slot on one side.

5

I had the same issue yesterday with my 2009 Platinum, just hit 100k miles. Fuse 27, melted, but not blown. Thanks everyone for the sage advise, I'm back up and running. Will look into the retro fit / work around next.....!

70

Why isn't everyone calling Ford to complain this should be a recall issue???!!!

3 of 3 people found this helpful.

I called Ford, the gentleman I spoke will said, when I asked if there was a recall, he had not heard of this problem before, and there was no recall.

10

Just happened to me, I have F-150 2014. Thanks to this website I was able to locate the problem in my fuse box located in front of radiator.

1 of 1 people found this helpful.
20

Thank you all! I had this happen a few times in the last several months to my 2010 F150. Always started if I let it sit a few minutes. Today, after an hour of trying to figure out the problem and trying to start it finally did. Got it home, found this thread, checked the fuse. Melted so bad it broke in two when I pulled it out. Want to stress that it CAN manifest as an intermittent problem. Mine went months between incidents.

2 of 2 people found this helpful.

Same here guys. Dam truck would not start at times and I disconnected the positive battery cable to reset the computer thinking that was the problem. Sometimes it would fire after disconnecting the cable. Then it would just die going down the road on the Interstate going 70 mph towing a boat. WOW...this happen 3 times and talk about a dangerous situation trying to get out of the middle lane with heavy traffic. Nearly caused an accident. Lucky no one was injuried or killed in these incidents. Did not find this post until after I brought my 2010 Ford F150 V8 to the Ford dealer for this problem. I called the Ford complaint number at 1-800-392-3673 and reported this incident. Someone is going to be killed believe me. They need to recall all these trucks. They told me that there is no recall. This is BS. I quick fix is just to replace the fuse but that is BS. I value my life and that of other people that this issue may involve. Please report your problems or they will not do a recall. I am afraid to drive this vehicle as it is.

2009 F-150 123000 miles....same problem same fix...fuel pump relay fuse!

Same issue here. Had it on my 2013 raptor at 81k miles and now it's happening on my 2014 raptor at 69k miles

Mine wasn't so easy:). Fuse was good. 12v to fuse. Plug in fuse with ignition on and you can hear relay click. Swapped relay just to be sure. Dropped spare and checked FPDM. Unplugged to get to pins. With ignition on 12v goes to the purple/green wire. Top left facing me. However measuring across the 2 wires no 12v... There are 2 wires that come out of the harness that go straight to the chassis right next to the FPDM. Ohmed other wire and it is the ground path so makes sense. 70 bucks from ford. Worked:). This should not fail after 3 years and 50k miles....

It cost me $400.00 to get a by pass kit installed. Will be buying a Chevy next time!

All I can say is a big thank you to everyone!!! My 2010 F150 Platinum died two weeks ago, cranked and cranked. I disconnected the neg cable and reattached and it started. Today it happened again and nothing I tried worked. I googled "2010 Ford cranks but won't start" and found this thread. Needless to say, I replaced the fuse and I'm running. It is very important to note that it can be "INTERMITTENT" but the fuse is the problem. Thanks again!!!

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