how to fix a check engine light on Ford Explorer Sixth Generation (2020-present)

Ford Explorer Sixth Generation (2020-present)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

566 words

Problem Statement

Learn how to diagnose and fix the Check Engine Light issue in Ford Explorer Sixth Generation (2020-present). Step-by-step guide with diagnostic procedures.

Affected Component

Engine

Estimated Time

1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical components.
•Allow the engine to cool before performing inspections or repairs.

Symptoms

•Check Engine Light illuminated on the dashboard
•Decreased engine performance or power
•Rough idling or engine stalling
•Poor fuel economy
•Increased emissions
•Unusual engine noises

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify specific trouble codes.
2
Record and interpret the error codes to narrow down the potential issues.
3
Inspect the gas cap for proper sealing and any signs of damage.
4
Check engine oil level and condition; low or dirty oil can trigger CEL.
5
Examine the air filter for clogs or contamination that could affect air intake.
6
Inspect the exhaust system for leaks or damage that could influence emissions 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
•Torque wrench
•Multimeter
•Basic hand tools

Parts Required

•New gas cap (if defective)
•Air filter (if dirty)
•Engine oil and oil filter (if needed)
•Catalytic converter (if faulty)

Related Faults

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify specific trouble codes.
2
Record and interpret the error codes to narrow down the potential issues.
3
Inspect the gas cap for proper sealing and any signs of damage.
4
Check engine oil level and condition; low or dirty oil can trigger CEL.
5
Examine the air filter for clogs or contamination that could affect air intake.
6
Inspect the exhaust system for leaks or damage that could influence emissions readings.

Solution

1. Preparation

Tools Required: OBD-II scanner, socket set, torque wrench, multimeter, basic hand tools.
Ensure the vehicle is parked on a level surface with the engine off and cool.

2. Address Error Codes

Sub-steps:
1. Connect the OBD-II scanner to the vehicle’s diagnostic port.
2. Turn on the ignition without starting the engine to power the scanner.
3. Retrieve and record any stored trouble codes.
4. Research the codes for specific issues related to the engine or emissions system.

3. Inspect and Replace Components

Sub-steps:
1. If the gas cap is faulty, remove and replace it with a new OEM gas cap.
2. If error codes indicate an issue with the catalytic converter, inspect it for damage and replace if necessary.
3. For air filter issues, remove the air filter housing and replace it with a new filter.
4. If engine oil is low or dirty, drain and replace the oil with the manufacturer-recommended oil, and change the oil filter.

4. Clear Error Codes

Sub-steps:
1. After making repairs, reconnect the OBD-II scanner.
2. Select the option to clear error codes from the vehicle’s computer.
3. Turn off the ignition and disconnect the scanner.

5. Test Drive

Sub-steps:
1. Start the engine and allow it to idle for a few minutes.
2. Take the vehicle for a short test drive, monitoring for any return of the Check Engine Light.
3. Observe engine performance and any unusual sounds during the drive.