how to reset check engine light 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

525 words

Problem Statement

Learn how to reset the check engine light on a 2020-present Ford Explorer. Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Engine

Estimated Time

1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems to avoid shocks or shorts.
•Allow the engine to cool down before opening the hood to prevent burns.

Symptoms

•Check engine light illuminated on the dashboard
•Potential loss of vehicle performance
•Temporary decrease in fuel efficiency
•Possible engine stalling or rough idling
•Emissions may increase

Diagnostic Steps

1
Scan the vehicle using an OBD-II scanner to check for stored trouble codes.
2
Identify and address any underlying issues that caused the check engine light to activate.
3
Disconnect the vehicle battery for at least 15 minutes to reset the engine control module (ECM).
4
Reconnect the battery and start the engine to check if the check engine light remains off.
5
If the light returns, re-scan for codes to ensure the issue is resolved.

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
•Safety gloves

Parts Required

•Any necessary replacement parts identified during the diagnostic steps (e.g., sensors, hoses).

Related Faults

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Diagnostic Steps

1
Scan the vehicle using an OBD-II scanner to check for stored trouble codes.
2
Identify and address any underlying issues that caused the check engine light to activate.
3
Disconnect the vehicle battery for at least 15 minutes to reset the engine control module (ECM).
4
Reconnect the battery and start the engine to check if the check engine light remains off.
5
If the light returns, re-scan for codes to ensure the issue is resolved.

Solution

1. Preparation

Gather necessary tools: OBD-II scanner, socket set, and safety gloves.
Park the vehicle on a level surface, turn off the engine, and engage the parking brake.

2. Scan for Trouble Codes

Connect the OBD-II scanner to the diagnostic port under the dashboard.
Turn the ignition key to the "On" position without starting the engine.
Follow the scanner’s prompts to retrieve any stored trouble codes.
Note any trouble codes and their definitions for reference.

3. Address Underlying Issues

Based on the trouble codes retrieved, inspect relevant components (e.g., sensors, wiring, filters).
Repair or replace any faulty components as needed to resolve the issue causing the check engine light.

4. Reset the Check Engine Light

Battery Disconnection Method:
- Open the hood and locate the battery.
- Use a socket set to loosen the negative battery terminal clamp, then remove it.
- Wait for at least 15 minutes to allow the ECM to reset.
- Reattach the negative terminal and tighten it securely.
OBD-II Scanner Method:
- If using the scanner, select the option to clear the trouble codes after addressing the issues.
- Confirm the action and allow the scanner to reset the codes.

5. Recheck the System

Start the vehicle and observe if the check engine light is off.
Monitor the engine performance and any unusual behavior during the first few drives.