why does my Ford Explorer Sixth Generation (2020-present) engine light keep coming back on

Ford Explorer Sixth Generation (2020-present)

Error Codes

1-3 hours

Time

medium

Difficulty

medium

Severity

3 min read

483 words

Problem Statement

Learn how to diagnose and fix the recurring engine light issue in the 2020-present Ford Explorer. Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Engine

Estimated Time

1-3 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems.
•Allow the engine to cool down before inspecting the engine components.

Symptoms

•Check engine light illuminated
•Vehicle may exhibit reduced engine performance
•Possible rough idling or stalling
•Increased fuel consumption
•Occasional misfires or engine hesitation

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify specific issues.
2
Inspect gas cap for proper sealing; a loose or damaged cap can trigger the engine light.
3
Check for vacuum leaks in hoses and connections around the intake manifold.
4
Test the battery voltage and charging system to ensure they are functioning properly.
5
Inspect ignition components such as spark plugs and coils for wear or damage.
6
Evaluate fuel system pressure to ensure it meets specifications.

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
•Torque wrench
•Screwdrivers
•Pliers

Parts Required

•Spark plugs
•Ignition coils (if needed)
•Fuel filter (if needed)
•Replacement hoses (if needed)

Related Faults

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify specific issues.
2
Inspect gas cap for proper sealing; a loose or damaged cap can trigger the engine light.
3
Check for vacuum leaks in hoses and connections around the intake manifold.
4
Test the battery voltage and charging system to ensure they are functioning properly.
5
Inspect ignition components such as spark plugs and coils for wear or damage.
6
Evaluate fuel system pressure to ensure it meets specifications.

Solution

1. Preparation

Gather tools and parts required for the repair.
Ensure the vehicle is parked on a level surface and the engine is off.
Disconnect the battery to ensure safety during the repair process.

2. Address Fault Codes

Using the OBD-II scanner, note down all stored fault codes.
Clear the codes and take the vehicle for a test drive to see if the codes return.

3. Inspect and Replace Components

Gas Cap:
- Check for cracks or damage; replace if necessary.
Ignition Components:
- Remove spark plug wires and inspect spark plugs for wear; replace if necessary.
- Use a torque wrench to install new spark plugs to the manufacturer’s specified torque.
Vacuum Leaks:
- Inspect all hoses visually and replace any that show signs of wear or damage.
Fuel System:
- If low pressure is detected, replace the fuel filter and check the fuel pump operation.

4. Reconnect Battery

Reconnect the negative battery terminal after completing all inspections and repairs.

5. Final Checks

Run the engine and monitor for any abnormal sounds or behaviors.
Check for any engine codes reappearing after the repairs.