Ford 5.4 engine is a highly used device in most vehicles, especially different models of trucks, vans, cars, etc. Having the reputation of the most reliable engine, the fact of ford 5.4 engine life expectancy automatically appears. Now, here’s the deal.
The durability of this engine depends on how well it’s maintained. Yet approximately, it lasts between 150000 to 300000 miles. In freight trucks, it won’t last as long as it’ll with rarely used trucks, though. But with proper maintenance and light cargo, the engine can linger at least 300000 miles, even up to 450000.
Just like any other device, the longevity of 5.4 engine life relies on proper maintenance. And so, you’ve to know how to take care of the motor. So, keep reading to find out every nitty-gritty of the Ford 5.4 engine.
Table of contents
- About The Ford 5.4 Engine
- Ford 5.4 Engine Life Expectancy
- Ford 5.4 Engine Maintenance
- 4 Most Common Problems of Ford 5.4 Engine and Their Fixes
- Frequently Asked Questions
- Final words
About The Ford 5.4 Engine
For full-size power trucks, ford expedition, and sports utility vehicles, the ford 5.4 engine is suitable. However, it’s mainly designed for large trucks and SUVs. Yet, the machine can also be used in sports cars.
It was first introduced in 1997—a part of the Ford Modular Engine Family of Ford motor company. The engine isn’t a powerful overlay engine though it has sufficient stability to haul recreational equipment and normal loads.
Ford 5.4 Engine Life Expectancy
The average ford 5.4 engine life expectancy is 1,50,000 miles to 3,00,000. Yet, if you use it for vehicles that carry the load every day, it can last at least 1,50,000 mileage. And 15,000 mileage you can easily get from there per year for cargo trucks.
It can stay in an F-150 model of the ford series for 20 years easily. Yet, the latest versions of the ford series can likely break 300k miles with this engine. The engine can create a little trouble for the owner, though, but the problem is fixable when we are here at your back.
Ford 5.4 Engine Maintenance
If you keep a pet, you’d feed it, bathe it, take care of it, wouldn’t you? The same thing goes for the engine of your vehicle. It’s a basic formula to extend the engine life of your truck.
The longevity of the ford 5.4 engine relies on how you maintain it. To keep the health of your truck’s engine, you’ve to follow a few steps.
Replacing the oil and air filter is one of the requirements you need to maintain.
Changing the air filter and oil every 7000 miles is the first thing you can do. It’s better to replace the oil and the air filter after every six months. If mileage is tough to calculate, keep the passing months in mind.
Besides, take your vehicle to an automotive shop regularly. This way, you can perform complete diagnostic testing and know if the fluids are clean and the cooling system is working.
To keep your vehicle ongoing, it’s also mandatory to change the fuel filter. Take a look at the vehicle’s manual to know when the fuel filter needs replacement. Usually, it’s good to change it every 12 months.
4 Most Common Problems of Ford 5.4 Engine and Their Fixes
However, though the performance of the 5.4 engine is excellent, it sometimes emerges problems. And no doubt, every issue has its solution.
Read the following part to know the common issues of the 5.4 engine, and learn how to fix them.
1. Ignition System Problem
Difficulties with the spark plugs and ignition system are the most common issue with the ford 5.4 engine.
Faulty spark plugs or ignition coils often cause misfiring. And the rough idle, shuttering, or power loss are the usual consequences when the ford 5.4 engine misfires. Yet, the problem takes no time to fix.
To avoid the crisis, change the spark plug every two or three years. The broken spark plug can often create hassle with the ignition system. So, changing those every 30,000 miles is a must-do requirement for you.
It’s also crucial to replace the ignition coil every 50,000 miles. These are precisely straightforward repairs. We suggest you change all of the eight spark plugs with the ignition coil together.
A set of ignition coils comes in $100 – $200. And a whole bunch of spark plugs is available at $50-$100. Overall, It’s a simple replacement process.
2. Fuel Pump Driver Module
The fuel pump driver module is another downfall of the 5.4 engine.
Sometimes, the build-up infiltrates the fuel pump driver module. And it causes difficulty. When it fails, the engine generally shuts down.
Fortunately, the Ford company re-constructed the part after realizing the problems. And all those new parts ascend in the same direction but don’t contact the 5.4 Triton’s steel frame directly. Thus, it solves the problem.
Also, you can replace the 5.4 Triton fuel pump driver module for protective maintenance. At the least, you can take a close look at the FDM to check the condition externally.
3. Timing Chain Issues
Timing is a crucial portion of proper engine operation. If these problems aren’t resolved instantly, further damage can occur.
Usually, 5.4 engine timing problems emerge from a loose timing chain.
Eventually, it leads the engine valves to reach the pistons. That’s an engine-out failure and may cause damage to the engine beyond repair. When it happens, you can hear a rattling sound and feel the rough ride.
Unlike the first two problems, timing chain problems should be left to experienced and trusted mechanics. And the most prolific option is if you buy a timing chain replacement kit. All those components in that kit are handy and inexpensive enough at the same time.
4. Gasket Leak
The 5.4 engine oil pan gasket is indeed the most common oil leak problem. However, it’s not the genuine fault with the machine.
Gaskets can often take abuse and start to fail. It happens when some of these 5.4 Tritons get old. Signs of oil pan gasket leaks are pretty well known. It arises from a Visible leak under the engine and causes burning oil odors.
The gasket replacement requires less money and time. If you go to a shop, they’ll probably ask for around 3-6 hours. And, you can quickly get things spending about $200-$500.
Frequently Asked Questions
1. Is the ford 5.4 a good engine?
Answer: Undoubtedly, the ford 5.4 engine is a reliable motor to many truck owners. It produces 235-550 horsepower and 330-510 torque. From the era the engine gets released, the performance has been at its best. The engine won a handful of Ward’s ten best engine awards.
2. How do I make my 5.4 engine last longer?
Answer: To keep your 5.4 engine durable, change the oil on schedule. Keep the air clean, and change the coolant as the manual suggested. Thus, you can keep your engine solid for another few years.
3. How often should I change the spark on the 5.4 engine?
Answer: If you replace the spark plug every 75 miles, you won’t have to face engine damage. So, once you realize the 75 miles have been crossed, consider changing the spark plug.
4. How much does it cost to replace a ford 5.4 engine?
Answer: Changing the engine of any vehicle is expensive. The parts are available between $104 to $150, and the labor cost is around $454 to $574. Total, it’s about 800-dollars-work for you.
The ford 5.4 engine is an all-around device, used in high-performance cars and freight trucks for a long time with an excellent reputation.
Yet, all the engines are prone to a few common problems. Taking care of them can decrease the issues, though. Yet, one way or another, you have to face catastrophes with your truck engine.
The guidance we discussed above can get you out of these problems instantly. Also, it’ll extend your ford 5.4 engine life expectancy a bit further. So, be aware of the engine maintenance and stay happy with your engine for the next few years.
Thomas is a retired motor mechanic, father, and grandfather. He writes from his 20+ years in the automotive industry to help you find and solve anything related to car repairs, maintenance, and care.