When it comes to powerful and capable engines, a V8 is as good as it gets. And when you need a V8 with plenty of power and hauling capability, Ford’s 5.4L V8 can be a great choice. Still, every engine can have problems from time to time.
What are the most commonly reported problems with the Ford 5.4L engine?
According to NHTSA complaints and VehicleHistory.com reviews, common problems include:
- spark plug problems
- Engine vibrations and jerks
- fuel pump failure
For your information, we’ve covered each of these common Ford 5.4L engine complaints below, along with some explanations and possible solutions for each problem. This information can help inform your purchase of a Ford F-150 Expedition or any other Ford model equipped with this popular engine!
Common Ford 5.4L Engine Problems
2004 Ford F-150: Spark Plug Problems
NHTSA Complaint ID: 11209100, 10991722
Unfortunately, there have been commonly reported problems with Ford’s 5.4L V8 engine over the years. One of the most common complaints is that this engine configuration has spark plug problems in certain Ford F-150 trucks, including the 2004 F-150.
In a NHTSA complaint filed in 2019, the owner of a 2004 F-150 reports that the vehicle’s engine stalled while driving. After taking the vehicle to an independent mechanic, the problem was diagnosed as a spark plug problem. However, the mechanic pointed out that the spark plugs on this engine are noticeably failing.
In another NHTSA complaint, the owner of a 2004 F-150 alleges that one of the engine’s spark plugs “blew” while driving at highway speeds. While taking the truck to a Ford dealership for repair, another spark plug unexpectedly exploded while mechanics were working on the vehicle.
These complaints are added to several reviews on VehicleHistory.com which mention problems with spark plugs exploding or even getting stuck in place.
2005 Ford Expedition: Engine vibrations and jerks
NHTSA Complaint ID: 10948179, 11269009
The 2005 Ford Expedition, which was available with Ford’s 5.4L V8 engine, also had some problems with reported vibrations and front-end shaking. One owner filed a complaint with NHTSA in 2017, saying the vehicle vibrated a lot at highway speeds. Apparently, “the vibrations are so strong that the vehicle sways from side to side while driving.”
Another 2005 Expedition owner reports that the engine rattles while driving. However, none of the complaints mention whether these vehicles were diagnosed at a Ford service center. Common Causes of Engine Vibration and Jerking They include worn spark plugs, loose hoses, and faulty timing belts. Therefore, these are possible repairs to consider.
2006 Ford F-150: Fuel Pump Failure
NHTSA Complaint ID: 10948553, 10617765
Ford’s 5.4L V8 engine has also had persistent problems with its fuel pumps, particularly in the 2006 Ford F-150. A complaint was filed on the NHTSA website in 2017 reporting that the fuel pump module control corroded, causing the truck’s engine to shut down completely. stall.
In another complaint filed with NHTSA in 2014, the owner of a 2006 F-150 claims the truck stalled and had to be towed to a dealership. Upon inspection, the dealer found that the fuel pump module was corroded and cracked. The owner assumes this was caused by poor design.
How to Check Vehicle History on a Used Ford
Whether you’re considering purchasing a used F-150, Expedition, or any other used Ford model with a 5.4L V8 engine, it’s always a good idea to check your vehicle’s history before jumping in.
Executing a vehicle history report is quick, easy, and (best of all) free! You’ll get instant access to owner reviews, safety ratings, fuel economy ratings, specifications, and more to help guide your purchase. From there, you can leave the lot in your new car with a little more peace of mind.