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

Ford Explorer Sixth Generation (2020-present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

498 words

Problem Statement

Learn how to diagnose and fix the check engine light issue in your 2020-present Ford Explorer. 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 the battery before working on electrical systems to prevent shorts.
•Allow the engine to cool before inspecting or working on components.

Symptoms

•Check engine light illuminated
•Vehicle exhibiting reduced power
•Rough idling or stalling at stops
•Decreased fuel efficiency
•Unusual engine noises (e.g., knocking or pinging)
•Increased emissions or noticeable exhaust smoke

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify specific trouble codes.
2
Inspect the gas cap to ensure it is properly sealed and not damaged.
3
Check engine oil and coolant levels for appropriate levels and condition.
4
Visually inspect the air filter for clogs or excessive dirt.
5
Examine spark plugs for wear or fouling.
6
Look for any visible leaks in hoses or from 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
•Multimeter
•Inspection mirror

Parts Required

•Air filter
•Spark plugs
•Gas cap (if damaged)

Related Faults

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify specific trouble codes.
2
Inspect the gas cap to ensure it is properly sealed and not damaged.
3
Check engine oil and coolant levels for appropriate levels and condition.
4
Visually inspect the air filter for clogs or excessive dirt.
5
Examine spark plugs for wear or fouling.
6
Look for any visible leaks in hoses or from the engine.

Solution

1. Preparation

Tools Required: OBD-II scanner, socket set, torque wrench, multimeter, inspection mirror.
Ensure the vehicle is parked on a level surface with the engine turned off.
Disconnect the negative battery terminal to prevent electrical shorts.

2. Address Error Codes

Sub-steps:
1. Connect the OBD-II scanner to the vehicle’s diagnostic port.
2. Retrieve the error codes and document them for reference.
3. Research the codes to determine likely causes and affected components.

3. Inspect and Replace Components

Sub-steps:
1. Inspect the gas cap for cracks or wear; replace if necessary.
2. Remove the air filter and replace it if it is dirty or clogged.
3. Remove spark plugs using a socket set; inspect and replace if worn or fouled.
4. Check all hoses for leaks or cracks and replace any damaged hoses.

4. Clear Error Codes

Sub-steps:
1. Use the OBD-II scanner to clear the error codes from the vehicle’s computer.
2. Reconnect the negative battery terminal.
3. Start the engine and monitor for reoccurrence of the check engine light.

5. Final Checks

Sub-steps:
1. Test drive the vehicle under various conditions to ensure normal operation.
2. Monitor the dashboard for any warning lights.