my Ford Explorer Fifth Generation (2011-2019) engine light is flashing what should I do

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

552 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 engine light on your 2011-2019 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 battery before working on electrical systems.
•Allow the engine to cool before inspecting components.

Symptoms

•Flashing check engine light
•Rough engine idle
•Loss of power during acceleration
•Possible engine misfire
•Increased fuel consumption
•Unusual engine noises (e.g., knocking, pinging)

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify specific trouble codes.
2
Inspect the ignition system components (spark plugs, ignition coils) for damage or wear.
3
Check for vacuum leaks using a smoke test or visual inspection.
4
Verify fuel pressure and ensure the fuel pump is functioning correctly.
5
Examine the exhaust system for blockages or leaks.
6
Inspect engine oil levels and condition.

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
•Screwdriver set
•Fuel pressure gauge
•Smoke machine (optional)

Parts Required

•Spark plugs
•Ignition coils (if faulty)
•Vacuum hoses (if damaged)
•Fuel filter (if needed)
•Fuel pump (if needed)

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify specific trouble codes.
2
Inspect the ignition system components (spark plugs, ignition coils) for damage or wear.
3
Check for vacuum leaks using a smoke test or visual inspection.
4
Verify fuel pressure and ensure the fuel pump is functioning correctly.
5
Examine the exhaust system for blockages or leaks.
6
Inspect engine oil levels and condition.

Solution

1. Preparation

Gather tools and parts required.
Ensure the vehicle is parked on a level surface and the engine is cool.
Disconnect the negative battery terminal to avoid electrical shorts.

2. Address Ignition System Issues

Tools Required: Socket set, torque wrench, screwdriver set
Remove the engine cover (if applicable) to access ignition components.
Remove spark plugs using a socket wrench, inspecting each for wear or carbon buildup.
Replace worn or damaged spark plugs with new ones, tightening to manufacturer specifications (typically 13-15 ft-lbs).
Check ignition coils for damage; replace any faulty coils.

3. Check for Vacuum Leaks

Inspect all vacuum hoses and connections for cracks or disconnections.
Replace any damaged hoses.
Use a smoke machine to test for leaks if necessary.

4. Verify Fuel System

Tools Required: Fuel pressure gauge
Locate the fuel rail and connect the fuel pressure gauge.
Turn the ignition to the "ON" position (do not start) to check the fuel pressure.
If pressure is low, inspect or replace the fuel pump, fuel filter, or fuel injectors as needed.

5. Examine Exhaust System

Inspect the exhaust system visually for any signs of damage or blockage.
Check the catalytic converter for signs of overheating or clogging.
Replace any damaged components.

6. Reconnect Battery and Clear Codes

Reconnect the negative battery terminal.
Use the OBD-II scanner to clear any error codes.
Start the engine and monitor for any warning lights.