why is my Ford Explorer Sixth Generation (2020-present) check engine light on

Ford Explorer Sixth Generation (2020-present)

Error Codes

1-3 hours

Time

medium

Difficulty

medium

Severity

3 min read

463 words

Problem Statement

Learn how to diagnose and fix the check engine light issue on your Ford Explorer Sixth Generation. 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 engine to cool before opening any components.

Symptoms

•Check engine light illuminated on the dashboard
•Decreased fuel efficiency
•Engine misfire or rough idle
•Unusual engine noises
•Stalling or hesitation during acceleration

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify specific issues.
2
Inspect the gas cap for proper sealing and any signs of damage.
3
Check engine oil and coolant levels for any deficiencies.
4
Examine the air filter for blockages or dirt accumulation.
5
Inspect the battery and charging system for voltage issues.
6
Test the fuel pressure to ensure proper delivery to the engine.

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

Parts Required

•Air filter
•Spark plugs (if needed)
•Gas cap (if damaged)
•Battery (if necessary)

Related Faults

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify specific issues.
2
Inspect the gas cap for proper sealing and any signs of damage.
3
Check engine oil and coolant levels for any deficiencies.
4
Examine the air filter for blockages or dirt accumulation.
5
Inspect the battery and charging system for voltage issues.
6
Test the fuel pressure to ensure proper delivery to the engine.

Solution

1. Preparation

Gather tools and materials required for the repair.
Ensure the vehicle is parked on a level surface and the engine is cool.
Disconnect the negative battery cable to prevent electrical issues.

2. Addressing Error Codes

Use the OBD-II scanner to read and document any error codes.
Research the codes to determine specific components that require attention.

3. Inspecting and Replacing Components

Gas Cap:
- Check the gas cap for cracks or wear; replace if necessary.
Air Filter:
- Remove the air filter housing cover and inspect the air filter.
- Replace the air filter if it is dirty or clogged.
Spark Plugs:
- Remove spark plug wires or coils.
- Inspect spark plugs for wear; replace if necessary.
Battery:
- Check battery terminals for corrosion; clean if needed.
- Test the battery voltage; replace the battery if it fails to hold a charge.

4. Final Checks

Reconnect the negative battery cable.
Clear the error codes with the OBD-II scanner.
Start the engine and observe for any returning issues.