my Ford Explorer Fifth Generation (2011-2019) has a strong gas smell, what should I check?

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

4 min read

682 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 gasoline smell in Ford Explorer (2011-2019). Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Fuel System

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Always disconnect the battery before working on the fuel system.
•Work in a well-ventilated area to avoid inhaling fuel vapors.

Symptoms

•Strong gasoline smell, particularly near the fuel tank or engine bay
•Possible fuel leakage under the vehicle
•Check engine light may be illuminated
•Engine roughness or stalling
•Decreased fuel efficiency
•Fuel odor inside the cabin

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to check for related fault codes.
2
Visually inspect the fuel lines for any signs of wear, damage, or leaks.
3
Examine the fuel injectors for leaks or improper operation.
4
Check the fuel pressure regulator for proper function and any signs of fuel leakage.
5
Inspect the fuel tank, fuel filler neck, and surrounding areas for cracks or damage.
6
Assess the condition of the fuel cap to ensure it seals properly.

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
•Wrenches
•Fuel line removal tool
•Fuel injector puller
•Jack and jack stands

Parts Required

•Fuel lines (as needed)
•Fuel injectors (as needed)
•Fuel pressure regulator (if faulty)
•Fuel tank or filler neck (if damaged)

Related Faults

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to check for related fault codes.
2
Visually inspect the fuel lines for any signs of wear, damage, or leaks.
3
Examine the fuel injectors for leaks or improper operation.
4
Check the fuel pressure regulator for proper function and any signs of fuel leakage.
5
Inspect the fuel tank, fuel filler neck, and surrounding areas for cracks or damage.
6
Assess the condition of the fuel cap to ensure it seals properly.

Solution

1. Preparation

Gather tools and parts required for the repair.
Park the vehicle on a flat surface and engage the parking brake.
Disconnect the negative battery terminal to prevent electrical shorts.
Allow the engine to cool if it was recently running.

2. Inspect and Replace Fuel Lines

Tools Required: Socket set, wrenches, fuel line removal tool
Inspect the fuel lines for leaks or damage.
If damaged, relieve fuel pressure using the service manual procedure, then disconnect the fuel lines using the fuel line removal tool.
Replace the damaged fuel line with a new one, ensuring proper routing and securing with clamps.
Reconnect the lines securely, ensuring no cross-threading.

3. Examine and Replace Fuel Injectors

Tools Required: Socket set, fuel injector puller
Remove the intake manifold if necessary to access the fuel injectors.
Disconnect the electrical connectors and fuel lines from the fuel injectors.
Remove the old injectors with the fuel injector puller.
Install new fuel injectors, applying a small amount of engine oil on the O-rings for a better seal.
Reconnect the fuel lines and electrical connectors, then reassemble any removed components.

4. Check and Replace Fuel Pressure Regulator

Tools Required: Socket set, fuel line removal tool
Locate the fuel pressure regulator, usually attached to the fuel rail.
Disconnect the fuel lines and electrical connector from the regulator.
Remove the regulator and inspect the diaphragm for damage.
Replace with a new fuel pressure regulator if necessary.
Reconnect the components securely, ensuring no leaks at the connections.

5. Inspect Fuel Tank and Filler Neck

Tools Required: Jack and jack stands, socket set
Safely lift the vehicle using a jack and jack stands.
Inspect the fuel tank and filler neck for cracks or corrosion.
If damage is found, remove the tank by disconnecting the fuel lines and electrical connectors, and support it with a jack.
Replace the damaged tank or filler neck with a new one and reassemble.