Ford Explorer Sixth Generation (2020-present) check engine light and loss of power

Ford Explorer Sixth Generation (2020-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

566 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 check engine light and power loss issues in Ford Explorer 2020-present. Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Engine

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the negative battery terminal before working on electrical components.
•Relieve fuel pressure before servicing the fuel system.

Symptoms

•Check engine light illuminated
•Loss of acceleration and power
•Engine stalling or hesitation during acceleration
•Rough idle when at a stop
•Poor fuel economy
•Increased emissions

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any stored trouble codes.
2
Inspect the vehicle's air intake system for leaks, blockages, or loose connections.
3
Check the fuel system pressure to ensure it is within the manufacturer's specifications.
4
Examine the spark plugs and ignition coils for wear or damage.
5
Inspect the exhaust system for blockages or leaks that could affect engine performance.
6
Monitor the engine's data with a live data scanner to observe parameters such as fuel trim and O2 sensor readings.

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
•Ratchet and extensions
•Torque wrench
•Screwdrivers
•Fuel line disconnect tool

Parts Required

•Spark plugs
•Fuel filter
•Air filter

Related Faults

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any stored trouble codes.
2
Inspect the vehicle's air intake system for leaks, blockages, or loose connections.
3
Check the fuel system pressure to ensure it is within the manufacturer's specifications.
4
Examine the spark plugs and ignition coils for wear or damage.
5
Inspect the exhaust system for blockages or leaks that could affect engine performance.
6
Monitor the engine's data with a live data scanner to observe parameters such as fuel trim and O2 sensor readings.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a level surface and the engine is cool.
Disconnect the negative battery terminal to prevent electrical shorts.

2. Address Fault Codes

Sub-steps:
- Reconnect the OBD-II scanner and note down any active fault codes.
- Clear the codes and take the vehicle for a test drive to see if the codes reappear.

3. Inspect and Replace Spark Plugs

Sub-steps:
- Remove the engine cover if applicable.
- Disconnect the ignition coils from the spark plugs.
- Remove the spark plugs using a socket and ratchet.
- Inspect for wear; replace with OEM specifications if necessary (Torque to manufacturer's specs).

4. Check and Replace Fuel Filter (if applicable)

Sub-steps:
- Locate the fuel filter (if external); relieve fuel pressure by removing the fuel pump fuse and running the engine until it stalls.
- Disconnect the fuel lines (use safety goggles).
- Replace the fuel filter with a new one, ensuring proper orientation and tightening the connections.

5. Inspect Air Filter and Intake

Sub-steps:
- Remove the air intake duct to access the air filter.
- Inspect the air filter for dirt and debris; replace if necessary.
- Check for any obstructions in the intake manifold.

6. Test Drive

Sub-steps:
- Reconnect the battery terminal.
- Start the engine and monitor for any warning lights.
- Take the vehicle for a test drive to ensure power is restored.