why does my Ford Explorer Fifth Generation (2011-2019) have a strong fuel smell

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

4 min read

615 words

⚠️ Safety Warning

This issue requires immediate attention. If you are not experienced with automotive repairs, consult a professional mechanic. Working on critical systems can be dangerous.

Problem Statement

Learn how to diagnose and fix a strong fuel smell in Ford Explorer (2011-2019). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Fuel System

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on fuel systems to avoid sparks.
•Allow the engine to cool completely before inspecting any components.

Symptoms

•Strong fuel odor inside or outside the vehicle
•Visible fuel leaks under the vehicle
•Check engine light illuminated
•Decreased fuel efficiency
•Fuel odor noticeable after refueling

Diagnostic Steps

1
Inspect the fuel lines for visible cracks or leaks.
2
Check the fuel injectors for leaks or improper seating.
3
Examine the fuel tank for any signs of damage or corrosion.
4
Use an OBD-II scanner to check for fuel-related error codes.
5
Inspect the evaporative emissions control system, including the charcoal canister and hoses.
6
Verify the condition of the fuel filler neck and seal.

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

Verification

After completing the repair, verify that the issue has been resolved:

✓Test the affected component to ensure it functions correctly
✓Check for any error codes or warning lights
✓Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

•Follow the manufacturer's recommended maintenance schedule
•Address warning signs early before they develop into major issues
•Use quality parts and fluids recommended for your vehicle
•Keep detailed records of all repairs and maintenance

Tools & Equipment Required

•OBD-II scanner
•Socket set
•Torque wrench
•Fuel line clamp tool
•Injector removal tool
•Jack and jack stands

Parts Required

•Fuel lines (if damaged)
•Fuel injectors (if leaking)
•Fuel tank (if damaged)
•Charcoal canister (if faulty)
•EVAP hoses (if cracked or damaged)

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Diagnostic Steps

1
Inspect the fuel lines for visible cracks or leaks.
2
Check the fuel injectors for leaks or improper seating.
3
Examine the fuel tank for any signs of damage or corrosion.
4
Use an OBD-II scanner to check for fuel-related error codes.
5
Inspect the evaporative emissions control system, including the charcoal canister and hoses.
6
Verify the condition of the fuel filler neck and seal.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a flat surface and the engine is cool.
Disconnect the battery to prevent electrical hazards.

2. Inspect and Repair Fuel Lines

Tools Required: Socket set, wrenches, fuel line clamp tool.
Remove any covers to access the fuel lines.
Inspect fuel lines for cracks, leaks, or corrosion.
If damaged, replace the fuel lines:
- Remove the affected section using the fuel line clamp tool.
- Install the new fuel line, ensuring it is properly secured.
- Reconnect any clips or fittings removed during disassembly.

3. Check and Replace Fuel Injectors

Tools Required: Socket set, torque wrench, injector removal tool.
Remove the intake manifold if necessary for access.
Inspect fuel injectors for any leaks or damage.
If a leak is found, replace the injector:
- Disconnect electrical connectors and fuel lines from the injector.
- Remove the injector using the injector removal tool.
- Install the new injector, ensuring it is seated properly.
- Reconnect fuel lines and electrical connectors.

4. Examine Fuel Tank and Filler Neck

Tools Required: Jack and jack stands, socket set.
Lift the vehicle using a jack and secure with jack stands.
Inspect the fuel tank for rust, damage, or leaks.
If the tank is compromised, replace it:
- Drain fuel and disconnect fuel lines.
- Unbolt the tank from its mounting points.
- Install the new tank and reconnect all fittings securely.
Inspect the fuel filler neck for cracks or damage and replace if necessary.

5. Inspect Evaporative Emissions System

Tools Required: Scanner for diagnostic codes, hoses and clamps if replacements are necessary.
Check the charcoal canister for cracks or leaks.
Inspect all EVAP hoses for deterioration or disconnections.
Replace any damaged components and ensure all connections are tight.