what does it mean when my Ford Explorer Sixth Generation (2020-present) check engine light flashes?

Ford Explorer Sixth Generation (2020-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

489 words

⚠️ Safety Warning

This issue requires immediate attention. If you are not experienced with automotive repairs, consult a professional mechanic. Working on critical systems can be dangerous.

Problem Statement

Learn how to diagnose and fix a flashing check engine light on a 2020-present Ford Explorer. Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Engine

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems.
•Allow the engine to cool before inspecting the exhaust system.

Symptoms

•Check engine light is flashing
•Engine running rough or misfiring
•Decreased engine power or acceleration
•Unusual exhaust noise or smell
•Increased fuel consumption

Diagnostic Steps

1
Scan the vehicle's onboard diagnostics using an OBD-II scanner to retrieve error codes.
2
Check the ignition system components, including spark plugs and ignition coils, for faults.
3
Inspect fuel system for issues, such as low fuel pressure or clogged fuel injectors.
4
Examine the air intake system for blockages or leaks in hoses.
5
Assess the exhaust system for any signs of backpressure or leaks.

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
•Multimeter
•Torque wrench
•Fuel pressure gauge

Parts Required

•Spark plugs (if worn)
•Ignition coils (if faulty)
•Fuel injectors (if clogged)

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Scan the vehicle's onboard diagnostics using an OBD-II scanner to retrieve error codes.
2
Check the ignition system components, including spark plugs and ignition coils, for faults.
3
Inspect fuel system for issues, such as low fuel pressure or clogged fuel injectors.
4
Examine the air intake system for blockages or leaks in hoses.
5
Assess the exhaust system for any signs of backpressure or leaks.

Solution

1. Preparation

Ensure the vehicle is parked on a flat surface and the engine is off.
Disconnect the negative battery terminal to prevent electrical shorts.
Gather tools: OBD-II scanner, socket set, multimeter, and torque wrench.

2. Inspect Ignition System

Remove the engine cover (if applicable) using a socket set.
Check the spark plugs for wear or damage. Replace if necessary.
Test the ignition coils with a multimeter to ensure they are functioning properly. Replace any faulty coils.
Reassemble components and reconnect the battery.

3. Fuel System Inspection

Connect a fuel pressure gauge to the fuel rail and check for proper fuel pressure (refer to the service manual for specifications).
If pressure is low, check the fuel pump and replace if faulty. If pressure is adequate, inspect fuel injectors for clogs.
Clean or replace fuel injectors as needed.

4. Air Intake and Exhaust System Assessment

Visually inspect the air intake for blockages and ensure the air filter is clean.
Check for leaks in intake hoses and repair as necessary.
Inspect the exhaust system for leaks or backpressure; repair or replace components as needed.

5. Final Steps

Clear the error codes using the OBD-II scanner.
Test drive the vehicle to ensure the issue is resolved.