why is my Ford Explorer Sixth Generation (2020-present) using too much fuel

Ford Explorer Sixth Generation (2020-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

543 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 excessive fuel consumption in Ford Explorer (2020-present). 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

•Disconnect the battery before working on electrical systems
•Allow the engine to cool before opening the throttle body or fuel system components

Symptoms

•Check engine light illuminated
•Decreased miles per gallon (MPG)
•Rough engine idle
•Engine stalling during acceleration
•Increased emissions from the exhaust
•Fuel smell around the vehicle

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any diagnostic trouble codes (DTCs)
2
Check tire pressure and condition; under-inflated or worn tires can lead to poor fuel efficiency
3
Inspect air filter for clogs or dirt; a dirty air filter can restrict airflow and affect fuel economy
4
Examine fuel system for leaks or blockages, including fuel injectors and fuel lines
5
Test the fuel pressure with a fuel pressure gauge to ensure the fuel pump is delivering proper pressure
6
Inspect the throttle body for carbon buildup that may impede air intake

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
•Tire pressure gauge
•Air compressor
•Throttle body cleaner
•Soft cloth
•Screwdriver socket set
•Fuel injector cleaning kit
•Basic hand tools

Parts Required

•Air filter
•Fuel injector cleaning kit (if needed)

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any diagnostic trouble codes (DTCs)
2
Check tire pressure and condition; under-inflated or worn tires can lead to poor fuel efficiency
3
Inspect air filter for clogs or dirt; a dirty air filter can restrict airflow and affect fuel economy
4
Examine fuel system for leaks or blockages, including fuel injectors and fuel lines
5
Test the fuel pressure with a fuel pressure gauge to ensure the fuel pump is delivering proper pressure
6
Inspect the throttle body for carbon buildup that may impede air intake

Solution

1. Preparation

Gather the necessary tools and parts.
Disconnect the battery to prevent electrical issues during the repair.
Ensure the vehicle is parked on a flat surface and engage the parking brake.

2. Inspect and Replace Air Filter

Locate the air filter housing.
Open the housing and remove the old air filter.
Insert a new, clean air filter. Ensure it fits snugly.
Close the housing securely.

Tools Required:

Screwdriver (if necessary for clamps)

3. Check and Adjust Tire Pressure

Use a tire pressure gauge to check the pressure of each tire.
Inflate or deflate tires to the manufacturer-recommended pressure (found on the driver’s door jamb).
Inspect tires for uneven wear and replace if necessary.

Tools Required:

Tire pressure gauge
Air compressor (if inflating)

4. Clean Throttle Body

Remove the air intake duct to access the throttle body.
Use throttle body cleaner and a soft cloth to clean the throttle plate and surrounding areas.
Reassemble the air intake duct.

Tools Required:

Throttle body cleaner
Soft cloth
Screwdriver socket set

5. Inspect Fuel Injectors

Remove the engine cover (if applicable) to access the fuel rail.
Visually inspect fuel injectors for leaks or clogs.
If necessary, use a fuel injector cleaning kit to clean the injectors.

Tools Required:

Fuel injector cleaning kit
Basic hand tools