my Ford F-150 13th Generation (2015-2020) check engine light won't turn off how to reset it

Ford F-150 13th Generation (2015-2020)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

463 words

Problem Statement

Learn how to reset the check engine light on your 2015-2020 Ford F-150. Step-by-step diagnostic and repair instructions included.

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 short circuits and other hazards

Symptoms

•Check engine light illuminated
•Possible rough idle or engine stalling
•Decreased fuel economy
•Increased emissions
•No visible signs of leaks or damage

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any diagnostic trouble codes (DTCs)
2
Review the codes and note any specific issues related to the engine or emissions system
3
Inspect the gas cap to ensure it is tight and free from damage
4
Check for any obvious vacuum leaks in the intake system or hoses
5
Clear the codes using the OBD-II scanner and see if the check engine light comes back on after a test drive

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
•Basic socket set
•Torque wrench

Parts Required

•New gas cap (if faulty)
•Replacement sensors or components as indicated by error codes

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any diagnostic trouble codes (DTCs)
2
Review the codes and note any specific issues related to the engine or emissions system
3
Inspect the gas cap to ensure it is tight and free from damage
4
Check for any obvious vacuum leaks in the intake system or hoses
5
Clear the codes using the OBD-II scanner and see if the check engine light comes back on after a test drive

Solution

1. Preparation

Gather all necessary tools and components.
Ensure the vehicle is parked on a level surface and the engine is off.
Disconnect the vehicle's battery for safety.

2. Scan for Error Codes

Connect the OBD-II scanner to the vehicle’s diagnostic port, usually located under the dashboard near the steering column.
Turn the ignition to the "On" position without starting the engine.
Follow the scanner's instructions to read and record any error codes displayed.

3. Clear Error Codes

After noting the codes, use the scanner's function to erase the codes.
Confirm the codes have been cleared by re-scanning the vehicle.

4. Reconnect Battery

Reconnect the negative terminal of the battery securely.
Ensure all connections are tight and there are no exposed wires.

5. Test Drive

Start the vehicle and allow it to reach operating temperature.
Drive for a short distance to see if the check engine light reappears.