why does my Ford Explorer Sixth Generation (2020-present) check engine light keep coming on

Ford Explorer Sixth Generation (2020-present)

Error Codes

1-3 hours

Time

medium

Difficulty

medium

Severity

3 min read

470 words

Problem Statement

Learn how to diagnose and fix the check engine light issue in Ford Explorer Sixth Generation. Step-by-step guide with symptoms, diagnostics, and solutions.

Affected Component

Engine

Estimated Time

1-3 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect battery before working on electrical systems.
•Allow engine to cool before opening the hood or inspecting components.

Symptoms

•Check engine light illuminated
•Engine running roughly or unevenly
•Decreased fuel efficiency
•Loss of power during acceleration
•Strange noises from the engine compartment
•Possible smell of fuel or burning oil

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify specific trouble codes.
2
Check the gas cap to ensure it is properly tightened or not damaged.
3
Inspect engine oil and coolant levels for proper maintenance.
4
Examine the air filter for clogs or restrictions.
5
Test the battery and charging system for proper voltage.
6
Inspect the exhaust system for leaks or blockages.

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
•Screwdrivers
•Pliers

Parts Required

•New air filter
•New gas cap (if needed)
•Engine oil (if necessary)
•Coolant (as needed)

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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 to ensure it is properly tightened or not damaged.
3
Inspect engine oil and coolant levels for proper maintenance.
4
Examine the air filter for clogs or restrictions.
5
Test the battery and charging system for proper voltage.
6
Inspect the exhaust system for leaks or blockages.

Solution

1. Preparation

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

2. Clear Error Codes

Use the OBD-II scanner to clear any stored trouble codes after repairs are made.
Reconnect the negative battery terminal.

3. Inspect and Replace Components

a. Gas Cap Inspection

Remove the gas cap and inspect for cracks or damage.
If damaged, replace the gas cap with a new one.

b. Air Filter Replacement

Open the air filter housing.
Remove the old air filter and clean the housing.
Install the new air filter, ensuring it is seated correctly.

c. Check Engine Oil and Coolant

Remove the engine oil dipstick, check the oil level, and add oil if necessary.
Check the coolant reservoir and add coolant if levels are low.

4. Exhaust System Inspection

Visually inspect the exhaust system for signs of leaks or damage.
Repair or replace any damaged components, such as gaskets or pipes.