why does my Ford Explorer Fifth Generation (2011-2019) feel like it’s losing power

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

552 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

Discover how to diagnose and resolve power loss issues in the Ford Explorer Fifth Generation (2011-2019). Step-by-step guide with symptoms and solutions.

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 inspecting the exhaust system.

Symptoms

•Check engine light illuminated
•Engine stalling during acceleration
•Rough idle when the engine is running
•Reduced throttle response
•Poor fuel economy
•Unusual engine noises (e.g., knocking or pinging)

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any specific issues.
2
Inspect the fuel system for leaks or blockages, including the fuel pump and fuel filter.
3
Check the air intake system for blockages or leaks, including the air filter and intake manifold.
4
Inspect the ignition system components, such as spark plugs and ignition coils, for wear or damage.
5
Test the battery and charging system to ensure proper voltage and current delivery.
6
Evaluate the exhaust system for restrictions or damage, especially the catalytic converter.

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
•Socket set
•Multimeter
•Throttle body cleaner

Parts Required

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

Related Faults

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any specific issues.
2
Inspect the fuel system for leaks or blockages, including the fuel pump and fuel filter.
3
Check the air intake system for blockages or leaks, including the air filter and intake manifold.
4
Inspect the ignition system components, such as spark plugs and ignition coils, for wear or damage.
5
Test the battery and charging system to ensure proper voltage and current delivery.
6
Evaluate the exhaust system for restrictions or damage, especially the catalytic converter.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a level surface and the engine is turned off.
Disconnect the battery to prevent electrical shock.

2. Fuel System Inspection

Sub-steps:
1. Locate the fuel pump and inspect for any signs of leaks or damage.
2. Replace the fuel filter if it appears clogged or has not been changed in a while.
3. Test the fuel pump pressure using a fuel pressure gauge; it should be within manufacturer specifications (usually around 30-50 PSI for most vehicles).

3. Air Intake System Inspection

Sub-steps:
1. Remove the air filter and inspect it for dirt and debris; replace if necessary.
2. Check the intake manifold for leaks using a smoke test or visual inspection.
3. Clean the throttle body with throttle body cleaner to remove carbon buildup.

4. Ignition System Inspection

Sub-steps:
1. Remove and inspect the spark plugs for wear or fouling; replace them if necessary.
2. Test the ignition coils using a multimeter to ensure they are within the specified resistance range.
3. Replace any faulty ignition components.

5. Exhaust System Inspection

Sub-steps:
1. Visually inspect the exhaust system for visible damage or leaks.
2. Check the catalytic converter for signs of clogging; it may require replacement if restricted.
3. Inspect the muffler and pipes for rust or corrosion that may affect exhaust flow.