2017 Ford Mustang Ecoboost Premium – The Ultimate Performance And DIY
The 2017 Ford Mustang EcoBoost Premium bridges the gap between classic American muscle styling and modern turbocharged efficiency. This guide explores the essential maintenance, common performance pitfalls, and high-value upgrades that every owner should know to keep their S550 Mustang running at peak performance.
Finding the perfect balance between a daily driver and a weekend track toy is a challenge for many enthusiasts. You want the aggressive styling of the S550 platform, but you also need the comfort and technology that comes with a high-end trim level. The 2017 ford mustang ecoboost premium offers exactly that, provided you know how to maintain its sophisticated 2.3-liter turbocharged engine.
In this comprehensive guide, we will break down the technical nuances of the EcoBoost platform. We will cover everything from simple oil changes to complex troubleshooting of the fuel system. Whether you are a seasoned mechanic or a first-time owner, this article provides the actionable insights you need to master your Mustang.
Our goal is to ensure your ownership experience is as smooth as possible. By following these expert tips, you can avoid common mechanical headaches and unlock the true potential of your turbocharged pony car. Let’s dive into the details of what makes this specific model a standout in the automotive world.
Understanding the 2017 ford mustang ecoboost premium Features
The Premium trim level is more than just a badge on the trunk; it significantly alters the driving experience. Unlike the base model, the 2017 ford mustang ecoboost premium includes the Selectable Drive Modes. These modes allow you to toggle between Normal, Sport+, Track, and Snow/Wet, adjusting steering feel and throttle response on the fly.
Inside the cabin, the Premium trim introduces the SYNC 3 infotainment system. This was a major upgrade for the 2017 model year, offering much faster response times and better smartphone integration than previous versions. You also get leather-trimmed seats that are both heated and cooled, making it a viable year-round driver.
Mechanically, the heart of the car is the 2.3L twin-scroll turbocharged I4 engine. It produces 310 horsepower and 320 lb-ft of torque on 93 octane fuel. Understanding that this engine relies heavily on volumetric efficiency and boost pressure is key to performing your own maintenance and upgrades effectively.
The Importance of the Performance Package
Many owners look for the EcoBoost Performance Package (EPP) when buying this car. It adds a larger radiator, stiffer front springs, and a larger rear sway bar. It also includes 19-inch Ebony Black-painted aluminum wheels and a 3.55 limited-slip rear axle.
If your car has this package, your maintenance needs will differ slightly. For instance, the EPP uses larger four-piston fixed calipers in the front. This requires specific brake pads and rotors compared to the base EcoBoost sliding calipers. Always verify your brake setup before ordering parts.
Essential Maintenance for the 2.3L EcoBoost Engine
The 2.3L engine is a high-compression, direct-injected power plant. Because it is turbocharged, it generates significant heat under the hood. Regular maintenance is not just a suggestion; it is a requirement to prevent long-term engine damage or “EcoBoom,” a term used in the community for engine failure.
Your first priority should be high-quality oil. Always use a full synthetic 5W-30 oil that meets Ford’s WSS-M2C946-A specification. Turbochargers rely on oil for both lubrication and cooling. Cheap conventional oil can break down under high heat, leading to carbon deposits on the turbo bearings.
Change your oil every 5,000 miles, regardless of what the Intelligent Oil-Life Monitor says. Frequent changes help prevent the buildup of fuel in the oil, which is common in direct-injection engines. This practice protects the timing chain and the delicate internal components of the variable cam timing system.
Spark Plug Maintenance and Gapping
Spark plugs are a critical failure point on the 2017 ford mustang ecoboost premium. Because the engine runs high boost, the spark plugs work harder than they would in a naturally aspirated V8. We recommend checking your plugs every 20,000 miles.
For a stock car, the factory gap is usually around 0.028 to 0.030 inches. However, if you have a performance tune, you may need a tighter gap, such as 0.026 inches. A gap that is too wide can cause “spark blow out” under high boost, leading to a noticeable misfire.
Always use a dedicated spark plug feeler gauge to check the gap. Avoid the cheap “coin-style” gapers, as they can damage the iridium tip of the plug. Using a magnetic spark plug socket will also prevent you from dropping and cracking the porcelain during installation.
Managing Carbon Buildup
Since the 2.3L is a Direct Injection (DI) engine, fuel is sprayed directly into the cylinder rather than over the intake valves. This means there is no fuel to “wash” the valves clean of oil mist coming from the PCV system. Over time, carbon builds up on the intake valves, restricting airflow.
To mitigate this, many DIYers install an oil catch can. A catch can sits between the PCV valve and the intake manifold, trapping oil vapors before they can reach the valves. It is a simple mod that can significantly extend the life and efficiency of your engine.
Common Problems and Troubleshooting
Every vehicle has its quirks, and the 2017 Mustang is no exception. Being aware of these common issues allows you to catch them before they turn into expensive repairs. Most of these can be diagnosed in your garage with a basic OBD-II scanner.
One frequent issue is the failure of the low-pressure fuel sensor. Symptoms include a rough idle, stumbling under acceleration, or a “too rich” error code. It is a relatively inexpensive part located on the fuel rail and can be replaced in about 15 minutes with basic hand tools.
Another common culprit for Check Engine Lights is the Evaporative Emissions (EVAP) purge valve. If your car struggles to start after you fill up the gas tank, the purge valve is likely stuck open. Replacing this valve is a classic DIY task that requires only a 8mm socket and a pair of pliers.
Identifying Low-Speed Pre-Ignition (LSPI)
LSPI is a phenomenon where the air-fuel mixture ignites before the spark plug fires, usually at low RPM and high load. This can cause catastrophic piston failure. To avoid this, never “lug” the engine. If you need to accelerate quickly, downshift to get the RPMs up rather than flooring it in a high gear.
Using 91 or 93 octane fuel is the best defense against LSPI. While the manual says you can run 87 octane, the ECU will pull timing and reduce power to protect the engine. For a 2017 ford mustang ecoboost premium, high-octane fuel is a safety feature, not just a performance luxury.
Maximizing the 2017 ford mustang ecoboost premium Experience
If you want to take your Mustang beyond the factory settings, the aftermarket support for the S550 platform is massive. However, you must be strategic with your upgrades. Throwing parts at a car without a plan often leads to poor driveability.
The first and most important upgrade for any EcoBoost is a larger intercooler. The stock unit is notoriously small and prone to “heat soak.” After just one or two hard pulls, the intake air temperatures (IATs) will skyrocket, causing the computer to reduce power. A larger front-mount intercooler keeps IATs consistent and safe.
Once you have improved cooling, a professional tune can unlock significant power. Devices like the Cobb Accessport allow you to flash a new ECU map that optimizes boost pressure and fueling. Just remember that tuning your car may void certain parts of your powertrain warranty, so proceed with caution.
Suspension and Handling Mods
The Mustang is a heavy car, and while the independent rear suspension (IRS) was a huge leap forward in 2015, it still has some “slop” from the factory. Installing vertical links and subframe alignment inserts can tighten up the rear end. This reduces wheel hop and makes the car feel more planted during aggressive cornering.
Lowering springs are also a popular choice. They lower the center of gravity and close the unsightly wheel gap. If you choose to lower your car, ensure you get a professional alignment afterward. The S550 chassis is sensitive to toe and camber changes, which can lead to premature tire wear if not corrected.
DIY Brake and Fluid Service
Maintaining your own brakes is one of the most rewarding DIY tasks. For the 2017 ford mustang ecoboost premium, you will need a few specific tools. A 15mm socket is standard for the caliper bracket bolts, and a 13mm socket handles the caliper slide pins.
When replacing rear pads, remember that the pistons must be rotated back into the caliper, not just compressed. You will need a brake piston tool kit, which you can often rent for free from local auto parts stores. Applying a small amount of high-temp brake grease to the back of the pads will prevent annoying squeaks.
Don’t forget the brake fluid. Brake fluid is hygroscopic, meaning it absorbs moisture over time. This lowers the boiling point and can lead to a spongy pedal. Flush your brake fluid every two years with a high-quality DOT 4 fluid to maintain firm pedal feel and safety.
Coolant System Care
The cooling system on a turbo car is under immense pressure. Check your coolant level regularly at the expansion tank. Use only Ford-approved Orange or Yellow coolant (depending on what is currently in your system). Never mix different colors of coolant, as it can lead to “sludging” that clogs the heater core.
If you notice a sweet smell or white smoke from the exhaust, you may have a head gasket issue. While less common on the 2017 models than the early 2015-2016 builds, it is still something to monitor. A simple combustion leak test kit can confirm if exhaust gases are entering the cooling system.
Frequently Asked Questions About 2017 ford mustang ecoboost premium
What is the real-world fuel economy of the EcoBoost Mustang?
While the EPA rates it at 21 city and 30 highway, real-world numbers vary. If you drive conservatively on the highway, 30 MPG is achievable. However, if you are frequently “in the boost” or driving in Sport+ mode, expect your average to drop closer to 22-24 MPG.
Can I use regular 87 octane gas?
Yes, the car will run on 87 octane, but you will lose about 30-40 horsepower. The engine’s knock sensors will detect the lower octane and retard the timing to prevent damage. For the best performance and engine longevity, 93 octane is highly recommended.
How often should I change the transmission fluid?
For the 6R80 automatic transmission, Ford suggests a very long interval, but most enthusiasts recommend a drain and fill every 60,000 miles. For the MT82 manual transmission, changing the fluid every 30,000 to 50,000 miles can help improve shift quality and reduce “crunchiness” when cold.
Is the EcoBoost Mustang reliable for high mileage?
With proper maintenance, these engines can easily cross 100,000 miles. The key is preventing carbon buildup and following a strict oil change schedule. Most catastrophic failures are linked to poor tuning or “lugging” the engine in high gears.
Conclusion: Mastering Your Mustang
The 2017 ford mustang ecoboost premium is a remarkable piece of engineering that offers a premium experience without the V8 price tag. By taking a proactive approach to maintenance, you ensure that your car remains a reliable and thrilling companion on the road. From managing your spark plug gaps to installing a catch can, these small steps make a massive difference in the long run.
Remember that being a DIY mechanic is about more than just saving money; it is about building a connection with your machine. Always prioritize safety by using jack stands and wearing eye protection. If a job feels beyond your current skill level, do not hesitate to consult a professional technician.
Take pride in your ride, keep it clean, and stay on top of those fluid changes. Whether you are carving through mountain roads or commuting to work, your Mustang is ready to perform. Stay safe, keep wrenching, and enjoy every mile behind the wheel!
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