why does my Ford Explorer Fifth Generation (2011-2019) have a loss of power

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

579 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 in Ford Explorer Fifth Generation (2011-2019). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Engine

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems to prevent short circuits.
•Allow the engine to cool before inspecting or removing components to avoid burns.

Symptoms

•Check engine light illuminated
•Engine stalling or hesitation during acceleration
•Poor fuel economy
•Unusual engine noises (e.g., knocking or pinging)
•Reduced throttle response
•Increased emissions (exhaust smoke)

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any underlying issues.
2
Inspect the air filter for blockages or dirt that could restrict airflow.
3
Check fuel pressure using a fuel pressure gauge to ensure proper delivery from the fuel pump.
4
Examine the throttle body for carbon buildup or mechanical issues that could impede operation.
5
Test the Mass Air Flow (MAF) sensor for proper function and calibration.
6
Inspect spark plugs and ignition coils for wear or malfunction.

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
•Fuel pressure gauge
•Throttle body cleaner
•MAF sensor cleaner
•Spark plug socket
•Torque wrench

Parts Required

•Air filter
•Fuel filter (if necessary)
•Spark plugs
•Throttle body gasket (if disturbed)

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 underlying issues.
2
Inspect the air filter for blockages or dirt that could restrict airflow.
3
Check fuel pressure using a fuel pressure gauge to ensure proper delivery from the fuel pump.
4
Examine the throttle body for carbon buildup or mechanical issues that could impede operation.
5
Test the Mass Air Flow (MAF) sensor for proper function and calibration.
6
Inspect spark plugs and ignition coils for wear or malfunction.

Solution

1. Preparation

Gather tools and parts.
Disconnect the battery to prevent electrical issues during repairs.
Ensure the vehicle is on a level surface and secured with wheel chocks.

2. Clean or Replace Air Filter

Remove the air intake duct to access the air filter.
Inspect the air filter for dirt; clean or replace as necessary.
Reinstall the air intake duct securely.

3. Fuel System Inspection

Connect a fuel pressure gauge to the fuel rail.
Start the engine and monitor the fuel pressure; it should meet manufacturer specifications (typically around 55-60 psi).
If pressure is low, check the fuel pump and fuel filter for blockages or failure.

4. Throttle Body Service

Remove the throttle body from the intake manifold (ensure to label and disconnect any electrical connectors).
Clean the throttle body with throttle body cleaner and a soft cloth.
Reinstall the throttle body and reconnect all components.

5. MAF Sensor Check

Disconnect the MAF sensor connector and remove the sensor from the air intake duct.
Inspect the sensor for dirt; clean using MAF sensor cleaner.
Reinstall the MAF sensor and reconnect the wiring harness.

6. Spark Plug and Ignition Coil Replacement

Remove the engine cover if applicable.
Disconnect the spark plug wires or ignition coil connectors.
Remove the spark plugs using a spark plug socket; inspect for wear and replace if necessary.
Reinstall new spark plugs to the manufacturer’s torque specifications (typically around 12-15 ft-lbs).
Reconnect ignition coils and wires.