2017 Ford Explorer Fuel Capacity – Maximize Your Range And Adventures

ByRobert Lozano

Understanding your 2017 Ford Explorer fuel capacity is crucial for planning trips, managing your budget, and ensuring you never get stranded. This guide dives deep into the tank sizes, real-world fuel economy, and practical tips to help you get the most out of every fill-up, whether you’re commuting or heading off the beaten path.

Navigating the world of vehicle ownership means understanding every aspect of your ride, and for 2017 Ford Explorer owners, knowing your fuel capacity is more than just a number—it’s about freedom. Whether you’re a daily commuter, a weekend DIY enthusiast, or an avid off-roader, precise knowledge of your vehicle’s fuel tank and its practical implications can save you headaches and enhance your adventures. This comprehensive guide is designed to equip you with everything you need to know about the 2017 Ford Explorer fuel capacity, helping you drive smarter and farther.

We’ll explore the exact tank sizes, discuss how different engines and drivetrains impact your real-world miles per gallon (MPG), and share expert tips for maximizing your fuel efficiency. From routine maintenance to preparing for epic road trips, you’ll gain the insights needed to confidently manage your Explorer’s fuel system.

The Specifics: 2017 Ford Explorer Fuel Capacity Unpacked

When it comes to your SUV, one of the first questions many owners ask is, “How big is my gas tank?” For the 2017 Ford Explorer, the answer is straightforward across all trims.

Every 2017 Ford Explorer, regardless of its trim level (Base, XLT, Limited, Sport, or Platinum) or engine option (2.3L EcoBoost, 3.5L V6, or 3.5L EcoBoost), comes equipped with a 18.6-gallon fuel tank.

This consistent sizing simplifies things for owners, but it’s important to remember that while the tank size is fixed, your actual driving range will vary significantly based on your specific engine, drivetrain (Front-Wheel Drive or All-Wheel Drive), and driving habits.

Understanding Your Fuel Tank and Usable Capacity

While the stated capacity is 18.6 gallons, it’s rare to use every single drop. Your vehicle’s fuel pump is designed to pull fuel from the bottom of the tank, but there’s always a small amount that remains unusable or is part of the “reserve” to protect the fuel pump from running dry.

Most drivers will typically fill up after consuming around 16-17 gallons, leaving a small buffer. This ensures the fuel pump remains submerged in fuel, which helps cool it and prolong its lifespan.

Decoding Your Explorer’s Fuel Economy and Driving Range

Knowing your 2017 Ford Explorer fuel capacity is only half the battle; understanding how far that fuel will take you is the real key. Fuel economy figures, often expressed in miles per gallon (MPG), provide an estimate of your vehicle’s efficiency.

The 2017 Explorer offered several engine configurations, each with its own EPA-estimated MPG ratings:

  • 2.3L EcoBoost I-4 (FWD): 19 MPG city / 27 MPG highway / 22 MPG combined
  • 2.3L EcoBoost I-4 (AWD): 18 MPG city / 25 MPG highway / 21 MPG combined
  • 3.5L V6 (FWD): 17 MPG city / 24 MPG highway / 20 MPG combined
  • 3.5L V6 (AWD): 16 MPG city / 23 MPG highway / 19 MPG combined
  • 3.5L EcoBoost V6 (AWD – Sport/Platinum): 16 MPG city / 22 MPG highway / 18 MPG combined

These figures are excellent starting points, but your real-world fuel economy can and will vary. Factors like driving style, terrain, vehicle load, and maintenance all play a significant role.

Calculating Your Real-World Driving Range

To estimate your driving range, simply multiply your 18.6-gallon fuel tank capacity by your actual average MPG. For example:

  • With a 2.3L EcoBoost FWD averaging 22 MPG combined: 18.6 gallons * 22 MPG = 409.2 miles.
  • With a 3.5L EcoBoost AWD averaging 18 MPG combined: 18.6 gallons * 18 MPG = 334.8 miles.

These calculations highlight the substantial difference engine choice and driving conditions can make to your range between fill-ups. Always factor in a safety margin, especially when traveling in remote areas or planning long stretches without fuel stations.

Maximizing Your Miles Per Gallon (MPG) and Extending Range

Even with a substantial fuel tank, everyone wants to get the most out of every gallon. Improving your fuel efficiency not only saves money but also extends your driving range, which is especially beneficial for long road trips or off-road excursions.

Smart Driving Habits

Your driving style is one of the biggest determinants of fuel economy. Small adjustments can lead to significant savings.

  • Smooth Acceleration and Braking: Avoid sudden starts and hard stops. Gradual acceleration and anticipating traffic lights can dramatically improve your MPG.
  • Maintain a Steady Speed: Use cruise control on highways to maintain a consistent speed. Excessive speeding is a major fuel guzzler.
  • Avoid Idling: If you’re going to be stopped for more than 30 seconds, it’s generally more fuel-efficient to turn off your engine.
  • Limit High Speeds: Fuel economy typically decreases rapidly above 60 mph. Try to keep your highway speeds reasonable.

Essential Vehicle Maintenance for Efficiency

A well-maintained vehicle runs more efficiently. Neglecting maintenance can lead to reduced MPG and costly repairs down the line.

  • Proper Tire Inflation: Check your tire pressure regularly, at least once a month. Under-inflated tires increase rolling resistance, forcing your engine to work harder. The recommended pressure is usually found on a sticker inside your driver’s side door jamb.
  • Clean Air Filter: A clogged engine air filter restricts airflow, making your engine less efficient. Replace it according to your owner’s manual, or more frequently if you drive in dusty conditions.
  • Spark Plug Replacement: Worn spark plugs can lead to misfires and inefficient combustion. Follow the manufacturer’s recommended replacement schedule.
  • Quality Engine Oil: Use the recommended viscosity engine oil. Synthetic oils can sometimes offer marginal improvements in fuel economy due to reduced friction.
  • Fuel System Cleaners: Periodically using a good quality fuel system cleaner can help keep fuel injectors free of deposits, ensuring optimal fuel atomization.
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Reducing Drag and Weight

Every extra pound and every bit of aerodynamic drag forces your engine to work harder.

  • Remove Unnecessary Weight: Don’t carry around heavy items you don’t need. Clear out your trunk and remove heavy gear when not in use.
  • Minimize Roof Rack Usage: Roof-mounted cargo carriers or bike racks create significant aerodynamic drag, especially at highway speeds. Remove them when they’re not needed.

Fuel System Maintenance for Longevity and Efficiency

Beyond general vehicle maintenance, focusing on your Explorer’s fuel system specifically can prevent issues and ensure optimal performance. The fuel system is complex, and keeping it in top shape is key to both efficiency and reliability.

Regular Fuel Filter Replacement

Your fuel filter is designed to trap contaminants before they reach your engine’s sensitive fuel injectors. Over time, it can become clogged, restricting fuel flow and potentially straining your fuel pump.

  • Symptoms of a Clogged Filter: Reduced engine performance, hesitation during acceleration, or difficulty starting the vehicle.
  • Replacement Schedule: Consult your 2017 Ford Explorer owner’s manual for the recommended replacement interval. It’s often every 30,000 to 60,000 miles, but check your specific model.

Inspecting the EVAP System

The Evaporative Emission Control (EVAP) system prevents fuel vapors from escaping into the atmosphere. Leaks in this system can trigger your “Check Engine” light and reduce fuel economy.

  • Common Culprits: A loose or faulty gas cap is the most common cause of EVAP system issues. Always ensure your gas cap is tightened securely after refueling.
  • Professional Diagnosis: If your “Check Engine” light is on and you suspect an EVAP issue beyond the gas cap, it’s best to have a certified technician diagnose it.

Using Quality Fuel

While the 2017 Ford Explorer is designed to run on regular unleaded gasoline (87 octane for most engines), using fuel from reputable stations can make a difference.

  • Detergent Additives: Many quality fuels contain detergent additives that help keep your fuel system clean.
  • E85 Compatibility: Some 2017 Explorer models with the 3.5L V6 engine were Flex Fuel compatible, meaning they could run on E85 (a blend of up to 85% ethanol). While E85 can be cheaper per gallon, its lower energy content means you’ll typically get fewer miles per gallon, negating some of the cost savings. Always check your owner’s manual or the inside of your fuel door for E85 compatibility.

Preparing Your Explorer for Long Trips and Off-Road Adventures

When planning extended journeys or venturing off the pavement, precise fuel management becomes even more critical. The generous 2017 Ford Explorer fuel capacity provides a good baseline, but smart planning is still essential.

Pre-Trip Fuel Planning

Before you hit the road or trail, always map out your route and identify fuel stops. This is especially important in remote areas where gas stations might be few and far between.

  • Know Your Range: Calculate your estimated driving range based on your typical MPG and the 2017 Ford Explorer fuel capacity.
  • Factor in Conditions: Anticipate lower MPG for off-roading, heavy towing, mountain driving, or extremely cold weather. Adjust your range estimates accordingly.

Considering Auxiliary Fuel Options

For serious off-roaders or overlanders heading deep into the backcountry, the standard 18.6-gallon tank might not be enough. In these scenarios, carrying extra fuel safely is paramount.

  • Jerry Cans: High-quality, robust jerry cans (often 5-gallon capacity) are a common solution. Ensure they are designed for fuel storage and have proper seals.
  • Safe Storage: Never store jerry cans inside the passenger compartment. Mount them securely on an exterior roof rack or rear bumper carrier to prevent fumes from entering the cabin and to mitigate fire risk in case of an accident.
  • Auxiliary Fuel Tanks: For dedicated adventurers, aftermarket auxiliary fuel tanks can be installed, significantly increasing your total fuel capacity. This is a more involved modification and should be done by a professional.

Monitoring Fuel Levels in Challenging Terrain

On uneven terrain, your fuel gauge might give inaccurate readings. The sloshing of fuel can temporarily confuse the sensor.

  • Trust Your Trip Odometer: Reset your trip odometer at every fill-up. This allows you to track your miles driven and estimate remaining fuel more accurately, independent of a potentially fluctuating fuel gauge.
  • Don’t Push It: When off-roading, it’s always better to refuel earlier rather than later. Getting stranded in the wilderness due to an empty tank is a preventable hazard.

Emergency Fuel Considerations

Even with careful planning, emergencies can happen. Always have a contingency plan.

  • Emergency Fuel Kit: Consider carrying a small, sealed emergency fuel container (1-2 gallons) for short distances to the nearest station.
  • Roadside Assistance: Ensure your roadside assistance membership is current, or know who to call if you run out of fuel.

Common Fuel-Related Issues and Troubleshooting

While the 2017 Ford Explorer is a reliable vehicle, certain fuel-related issues can arise. Knowing how to identify and address them can save you a trip to the mechanic or help you troubleshoot effectively.

Inaccurate Fuel Gauge Readings

One of the most frustrating issues can be a fuel gauge that doesn’t read correctly. It might stick, fluctuate wildly, or show full when it’s not.

  • Common Causes: A faulty fuel level sending unit (part of the fuel pump assembly) is often the culprit. Electrical issues or a damaged float can also cause this.
  • Troubleshooting: Before replacing parts, try resetting the vehicle’s computer by disconnecting the battery for 15 minutes. If the problem persists, professional diagnosis is recommended.

Slow or Difficult Fueling

If you find that the fuel pump nozzle keeps clicking off prematurely or it takes an unusually long time to fill your tank, you likely have an issue with your vehicle’s evaporative emissions system’s vent.

  • Blocked Vent Tube: The most common cause is a blocked or restricted EVAP canister vent valve or hose. This prevents air from escaping the tank as fuel enters, creating back pressure.
  • Professional Help: This usually requires a mechanic to inspect the EVAP system components, as it’s not a simple DIY fix for most owners.
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“Check Engine” Light for EVAP Codes

As mentioned earlier, a “Check Engine” light often points to an EVAP system problem.

  • Common Codes: Codes like P0440, P0442, P0455 relate to EVAP system leaks.
  • First Step: Always check your gas cap first. Ensure it’s tight and not damaged. Drive for a few cycles to see if the light clears. If not, professional diagnosis with an OBD-II scanner is needed.

Fuel Pump Problems

The fuel pump is a critical component that delivers fuel from the tank to the engine. When it starts to fail, you’ll notice significant performance issues.

  • Symptoms:
    • Whining noise from the fuel tank area.
    • Engine sputtering or misfiring at high speeds.
    • Difficulty starting the engine or no start at all.
    • Loss of power during acceleration.
  • Action: If you suspect a failing fuel pump, have it checked immediately by a qualified technician. Continuing to drive with a failing pump can cause further damage.

Safety First: Handling Fuel and Preventing Hazards

Working with fuel requires respect and adherence to safety protocols. Whether you’re filling up at the station or transporting extra gasoline, safety should always be your top priority.

Refueling Safely

Even a routine fill-up has potential hazards if not handled correctly.

  • Turn Off Your Engine: Always turn off your Explorer’s engine before you begin fueling.
  • No Smoking or Open Flames: This is a no-brainer, but it’s crucial to remember.
  • Avoid Static Electricity: Ground yourself before touching the fuel nozzle by touching a metal part of your vehicle. Do not re-enter your vehicle during fueling, as this can build up static electricity. If you must re-enter, re-ground yourself upon exiting.
  • Don’t Top Off: Stop fueling when the nozzle clicks off automatically. Overfilling can damage your EVAP system and spill fuel.

Storing Spare Fuel

If you carry extra fuel, do so responsibly.

  • Approved Containers Only: Use only containers specifically designed and approved for gasoline storage (e.g., DOT-approved jerry cans).
  • Cool, Ventilated Area: Store spare fuel in a cool, well-ventilated area, away from direct sunlight, heat sources, and ignition sources.
  • Secure Transport: When transporting, ensure containers are tightly sealed, upright, and secured to prevent spills or movement. Never transport fuel containers inside the passenger cabin.

What to Do If You Run Out of Gas

Running out of fuel can be dangerous, especially on a busy highway or in a remote location.

  • Pull Over Safely: If your engine sputters and dies, coast to the safest possible location off the road. Turn on your hazard lights.
  • Call for Help: Contact roadside assistance, a friend, or family member. If you’re in a very remote area, consider using a satellite messenger or emergency beacon if you have one.
  • Avoid Walking on Busy Roads: If you need to walk for fuel, ensure it’s safe to do so. Consider visibility and traffic.
  • Carry a Small Amount of Emergency Fuel: As mentioned, a small, sealed container of emergency fuel can be a lifesaver.

Frequently Asked Questions About 2017 Ford Explorer Fuel Capacity

Here are some common questions we hear about the 2017 Ford Explorer’s fuel system.

What is the exact fuel tank size for all 2017 Ford Explorer models?

All 2017 Ford Explorer models, regardless of engine or trim level, come standard with an 18.6-gallon (70.4-liter) fuel tank capacity.

Can I use E85 fuel in my 2017 Ford Explorer?

Some 2017 Ford Explorer models equipped with the 3.5L V6 engine are Flex Fuel compatible, meaning they can run on E85. Always check your owner’s manual or the label inside your fuel door to confirm if your specific vehicle is E85 compatible. Keep in mind that E85 typically results in lower fuel economy.

How can I improve the fuel efficiency of my 2017 Ford Explorer?

You can improve your Explorer’s fuel efficiency by adopting smooth driving habits (gentle acceleration, steady speeds), maintaining proper tire pressure, ensuring your air filter is clean, and avoiding unnecessary weight or aerodynamic drag (like unused roof racks).

Why does my fuel gauge seem inaccurate in my 2017 Ford Explorer?

An inaccurate fuel gauge is often caused by a faulty fuel level sending unit, which is part of the fuel pump assembly inside the tank. Electrical issues or a damaged float can also be culprits. Professional diagnosis is usually required to pinpoint and fix this problem.

What type of gasoline should I use in my 2017 Ford Explorer?

Most 2017 Ford Explorer models are designed to run on regular unleaded gasoline with an octane rating of 87. Models with the 3.5L EcoBoost engine (Sport and Platinum trims) may recommend premium fuel for optimal performance, but can typically run on regular without harm, albeit with slightly reduced power.

Conclusion: Drive Confidently with Your Explorer

Understanding your 2017 Ford Explorer fuel capacity is more than just knowing a number; it’s about mastering your vehicle’s range, optimizing its efficiency, and ensuring safe travels. With an 18.6-gallon tank across all models, your Explorer offers substantial range, but real-world MPG varies by engine and driving conditions. By adopting smart driving habits, adhering to a diligent maintenance schedule, and preparing thoughtfully for long hauls, you can significantly extend your time between fill-ups.

Remember to prioritize safety when handling fuel and always be prepared for unexpected situations. Armed with this knowledge, you’re ready to tackle daily commutes, weekend projects, and epic adventures with confidence, knowing you have a firm grasp on your Explorer’s capabilities. Stay safe and stay comfortable on all your journeys!

Robert Lozano
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