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

Ford Explorer Sixth Generation (2020-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

549 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 2020-2023. 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 battery before working on electrical systems.
•Allow engine to cool before inspecting the intake or exhaust systems.

Symptoms

•Check engine light illuminated
•Poor acceleration response
•Noticeable decrease in fuel economy (miles per gallon)
•Engine running rough or misfiring
•Strong fuel smell near the exhaust
•Increased emissions

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any stored trouble codes.
2
Check tire pressures to ensure they are at the manufacturer's recommended levels.
3
Inspect the air filter for clogging or dirt that could restrict airflow.
4
Examine fuel injectors for leaks or clogs using a fuel pressure gauge.
5
Test the throttle position sensor (TPS) and mass airflow sensor (MAF) for proper operation.
6
Inspect the exhaust system for any leaks or blockages that could affect engine performance.

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
•Socket set
•Fuel pressure gauge
•Throttle body cleaner

Parts Required

•Air filter
•Throttle position sensor
•Fuel injector cleaning kit

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any stored trouble codes.
2
Check tire pressures to ensure they are at the manufacturer's recommended levels.
3
Inspect the air filter for clogging or dirt that could restrict airflow.
4
Examine fuel injectors for leaks or clogs using a fuel pressure gauge.
5
Test the throttle position sensor (TPS) and mass airflow sensor (MAF) for proper operation.
6
Inspect the exhaust system for any leaks or blockages that could affect engine performance.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a level surface and the engine is cool.
Disconnect the battery to avoid electrical issues during repairs.

2. Replace Air Filter

Locate the air filter housing.
Remove the cover by unscrewing or unclipping it.
Take out the old air filter and inspect it; replace it if dirty or damaged.
Install the new air filter, ensuring it fits snugly in place.
Reattach the air filter housing cover securely.

3. Clean Fuel Injectors

Use a fuel injector cleaning kit or a professional cleaning service.
Disconnect the fuel line from the injector rail.
Attach the cleaning kit to the fuel rail and follow the manufacturer’s instructions.
Once cleaned, reconnect the fuel line ensuring there are no leaks.

4. Replace Throttle Position Sensor (if faulty)

Locate the throttle body and identify the TPS.
Disconnect the electrical connector from the TPS.
Remove screws or bolts securing the TPS and take it out.
Install the new TPS, securing it with screws/bolts to the specified torque.
Reconnect the electrical connector.

5. Inspect and Repair Exhaust Leaks

Visually inspect the exhaust system from the engine to the tailpipe.
Look for signs of rust, damage, or loose connections.
Replace any damaged sections of the exhaust pipe or gaskets as needed.