my Ford Explorer Sixth Generation (2020-present) check engine light is on what should I check

Ford Explorer Sixth Generation (2020-present)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

489 words

Problem Statement

Learn how to diagnose and fix the check engine light issue in Ford Explorer (2020-present). Step-by-step guide with symptoms, diagnostic steps, 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 components.
•Allow the engine to cool before performing any inspections or repairs.

Symptoms

•Engine performance issues (e.g., rough idle, stalling)
•Decreased fuel efficiency
•Unusual smells from the exhaust
•Increased emissions
•Possible loss of power during acceleration
•Dashboard warning lights aside from the check engine light

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify specific trouble codes.
2
Check the gas cap for proper sealing; a loose or damaged cap can trigger the check engine light.
3
Inspect engine oil and coolant levels to ensure they are within normal ranges.
4
Examine the air filter for clogs or dirt that could affect engine performance.
5
Visually inspect the spark plugs and ignition coils for wear or damage.
6
Check for vacuum leaks in hoses connected to the intake manifold.

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
•Spark plug socket

Parts Required

•New gas cap (if needed)
•Spark plugs
•Ignition coils (if needed)
•Air filter

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify specific trouble codes.
2
Check the gas cap for proper sealing; a loose or damaged cap can trigger the check engine light.
3
Inspect engine oil and coolant levels to ensure they are within normal ranges.
4
Examine the air filter for clogs or dirt that could affect engine performance.
5
Visually inspect the spark plugs and ignition coils for wear or damage.
6
Check for vacuum leaks in hoses connected to the intake manifold.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a level surface and the engine is cool.
Disconnect the battery to prevent electrical shorts.

2. Scan for Error Codes

Use an OBD-II scanner to retrieve error codes.
Document the codes for reference during troubleshooting.

3. Inspect and Replace Components

A. Gas Cap Inspection

Check the gas cap for cracks or damage.
If defective, replace with a new gas cap.

B. Spark Plug and Ignition Coil Replacement

Remove the ignition coils using a socket set.
Unscrew the old spark plugs using a spark plug socket.
Inspect for fouling or wear; replace with new spark plugs as needed.
Reinstall ignition coils and torque to manufacturer specifications.

C. Air Filter Replacement

Open the air filter housing and remove the air filter.
Clean the housing and install a new air filter.
Ensure it is seated properly before closing the housing.

4. Clear Codes and Reconnect Battery

Reconnect the battery terminals.
Use the OBD-II scanner to clear the error codes from the ECU.