why does my Ford Explorer Fifth Generation (2011-2019) lose power during acceleration

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

472 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 loss of power during acceleration in Ford Explorer (2011-2019). Step-by-step guide with symptoms, diagnostics, and repair instructions.

Affected Component

Engine

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 opening any components.

Symptoms

•Engine stalling during acceleration
•Hesitation or lag when pressing the accelerator pedal
•Reduced engine responsiveness
•Check engine light illuminated
•Poor fuel economy
•Unusual noises from the engine compartment

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any stored trouble codes.
2
Inspect the air filter for clogs or restrictions that could affect airflow.
3
Check fuel pressure using a fuel pressure gauge to ensure proper fuel delivery.
4
Examine ignition components (spark plugs, ignition coils) for wear or failure.
5
Inspect the throttle body for carbon buildup or malfunction.
6
Test the Mass Air Flow (MAF) sensor for accuracy and functionality.

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
•Throttle body cleaner
•Soft cloth
•Fuel pressure gauge
•Spark plug socket

Parts Required

•Air filter
•Fuel filter
•Spark plugs
•Ignition coils (if faulty)

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 stored trouble codes.
2
Inspect the air filter for clogs or restrictions that could affect airflow.
3
Check fuel pressure using a fuel pressure gauge to ensure proper fuel delivery.
4
Examine ignition components (spark plugs, ignition coils) for wear or failure.
5
Inspect the throttle body for carbon buildup or malfunction.
6
Test the Mass Air Flow (MAF) sensor for accuracy and functionality.

Solution

1. Preparation

Gather necessary tools and parts.
Disconnect the negative battery terminal to ensure safety.
Allow the engine to cool before starting work on any components.

2. Inspect and Clean Throttle Body

Remove the air intake duct connected to the throttle body using a socket set.
Use throttle body cleaner and a soft cloth to clean the throttle plate and surrounding areas.
Reassemble the air intake duct and reconnect it securely.

3. Replace Clogged Air Filter

Open the hood and locate the air filter housing.
Remove the cover and take out the old air filter.
Install a new OEM or high-quality air filter, ensuring it fits snugly.
Close the air filter housing securely.

4. Test and Replace Fuel Filter (if necessary)

Locate the fuel filter in the fuel line.
Relieve fuel system pressure according to the service manual.
Disconnect the fuel lines and remove the old fuel filter.
Install a new fuel filter, ensuring proper orientation and tight connections.

5. Inspect and Replace Spark Plugs and Ignition Coils (if needed)

Remove the ignition coils by unscrewing them from the cylinder head.
Take out the spark plugs using a spark plug socket.
Check the spark plugs for wear; replace with new ones if necessary.
Reinstall the ignition coils and secure them with bolts.

6. Reconnect Battery

Reconnect the negative battery terminal and ensure it’s tight.
Start the engine and let it idle to check for any unusual sounds.

Tools Required:

OBD-II scanner
Socket set
Throttle body cleaner
Soft cloth
Fuel pressure gauge
Spark plug socket

Parts Required:

Air filter
Fuel filter
Spark plugs
Ignition coils (if faulty)

Estimated Repair Time: 2-4 hours

Safety Warnings:

Disconnect battery before working on electrical systems.
Allow engine to cool before opening any components.