how to fix my Ford Explorer if it loses power while driving

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

568 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 power loss while driving in Ford Explorer. 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.
•Allow the engine to cool before inspecting the air intake and fuel systems.

Symptoms

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

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify potential issues.
2
Inspect the fuel system for low pressure or blockages in the fuel filter or lines.
3
Check the ignition system components, including spark plugs and coils, for proper operation.
4
Examine the air intake system for blockages or leaks, including the air filter and intake hoses.
5
Test the throttle position sensor (TPS) for proper voltage output.
6
Verify the battery and alternator performance to ensure proper electrical supply.

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
•Multimeter
•Fuel pressure gauge
•Screwdrivers

Parts Required

•Fuel filter
•Spark plugs
•Ignition coils (if faulty)
•Air filter
•Throttle position sensor (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 potential issues.
2
Inspect the fuel system for low pressure or blockages in the fuel filter or lines.
3
Check the ignition system components, including spark plugs and coils, for proper operation.
4
Examine the air intake system for blockages or leaks, including the air filter and intake hoses.
5
Test the throttle position sensor (TPS) for proper voltage output.
6
Verify the battery and alternator performance to ensure proper electrical supply.

Solution

1. Preparation

Gather necessary tools and parts.
Disconnect the battery to ensure safety while working on the vehicle.

2. Inspect Fuel System

Sub-steps:
1. Locate the fuel filter and check for clogs; replace if necessary.
2. Use a fuel pressure gauge to check for proper fuel pressure as specified in the owner's manual.
3. Inspect fuel lines for leaks or damage and replace them if needed.

3. Check Ignition System

Sub-steps:
1. Remove spark plugs using a socket wrench and inspect for wear or fouling; replace if necessary.
2. Test ignition coils with a multimeter to ensure they are within specs; replace faulty coils.
3. Reinstall spark plugs and ignition coils after inspection.

4. Inspect Air Intake System

Sub-steps:
1. Remove the air filter and inspect for dirt or blockages; clean or replace as necessary.
2. Check intake hoses for cracks or loose connections and replace as needed.
3. Inspect the mass air flow (MAF) sensor and clean it using MAF cleaner if dirty.

5. Test Throttle Position Sensor

Sub-steps:
1. Locate the throttle position sensor and disconnect the electrical connector.
2. Use a multimeter to measure voltage output while moving the throttle; refer to specifications for correct range.
3. Replace the TPS if it does not meet specifications.

6. Verify Electrical System

Sub-steps:
1. Use a multimeter to test battery voltage; should be around 12.6 volts when the engine is off.
2. Start the vehicle and check voltage at the alternator; should be between 13.7 to 14.7 volts.
3. Replace the battery or alternator if they fail to provide adequate voltage.