Sorry to hear that your fuel pump relay may be giving you issues! The fuel pump relay location on a 2010 Ford F-150 is in the power distribution box in the engine compartment in position 27. If you get confused while searching for it, you can always refer to your owner’s manual for more detailed instructions and diagrams.
Here are some tips to help you check it out and replace it:
If you’re still not sure whether your fuel pump relay is damaged or not, you can also check for diagnostic trouble code P0230 with a code reader—this indicates that the fuel pump relay voltage is low. If you don’t have a code reader on hand, or you’re still unsure, take your F-150 to a trustworthy mechanic to safely diagnose the problem.