why is my Ford Explorer using so much fuel lately

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

573 words

Problem Statement

Learn how to diagnose and fix increased fuel consumption in Ford Explorer. 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 inspecting or working on any components.

Symptoms

•Check engine light illuminated
•Rough idle
•Decreased acceleration performance
•Fuel odor near the engine compartment
•Poor fuel economy compared to previous records
•Increased engine noise or vibration

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any potential faults.
2
Inspect the air filter for clogging and replace if necessary.
3
Check the fuel filter for restrictions or clogs.
4
Examine the fuel injectors for proper function and clean if needed.
5
Inspect the exhaust system for leaks or blockages.
6
Measure fuel pressure to ensure the fuel pump is operating within specifications.

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
•Fuel pressure gauge
•Cleaning supplies
•Safety goggles
•Gloves

Parts Required

•Air filter
•Fuel filter
•Fuel injectors (if cleaning fails)
•Exhaust system components (if damaged)

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 potential faults.
2
Inspect the air filter for clogging and replace if necessary.
3
Check the fuel filter for restrictions or clogs.
4
Examine the fuel injectors for proper function and clean if needed.
5
Inspect the exhaust system for leaks or blockages.
6
Measure fuel pressure to ensure the fuel pump is operating within specifications.

Solution

1. Preparation

Gather tools: OBD-II scanner, socket set, fuel pressure gauge, cleaning supplies, safety goggles, gloves.
Ensure the vehicle is parked on a level surface and the engine is cool.

2. Scan for Error Codes

Connect the OBD-II scanner to the vehicle’s diagnostic port.
Turn the ignition to the "On" position without starting the engine.
Retrieve and document any error codes for reference.

3. Inspect and Replace Air Filter

Locate the air filter housing and open it.
Remove the air filter and check for dirt and clogging.
Replace with a new air filter if dirty; ensure it fits securely.

4. Check and Replace Fuel Filter

Locate the fuel filter (consult the service manual for exact location).
Use the socket set to carefully disconnect the fuel lines, keeping a rag handy to catch any spills.
Remove the old fuel filter and install the new one, ensuring proper orientation of the flow direction.

5. Clean Fuel Injectors

Use a fuel injector cleaning kit according to the manufacturer's instructions.
Disconnect the fuel injector harness and remove the injectors.
Follow the cleaning procedure, ensuring all residues are cleared before reinstallation.

6. Inspect Exhaust System

Visually inspect the exhaust pipes and muffler for any visible leaks or rust.
If leaks are present, use exhaust tape or replace damaged sections as needed.

7. Measure Fuel Pressure

Attach the fuel pressure gauge to the fuel rail.
Turn the ignition to the "On" position and read the pressure.
Compare the reading to the manufacturer’s specifications; replace the fuel pump if pressure is low.