FAULTBASE
Error CodesASKCars
© 2026 FAULTBASE
All rights reserved.
v2.0.0 • Production
ContactPrivacyImpressum
what does it mean when my Ford F-150 check engine light is on - Ford F-150
Home/Cars/Ford/F-150/13th Generation (2015-2020)/what does it mean when my Ford F-150 check engine light is on

what does it mean when my Ford F-150 check engine light is on

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

Error Codes
2-4 hours
Time
medium
Difficulty
medium
Severity
Navigation
ProblemSymptomsDiagnosisSolution
ProblemSymptomsDiagnosisSolution
4 min read
622 words

Problem Statement

Learn how to diagnose and fix the check engine light issue in your Ford F-150. 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 opening any components to avoid burns.

Symptoms

  • •Check engine light illuminated
  • •Decreased fuel efficiency
  • •Rough idling or engine hesitation
  • •Engine stalling or misfiring
  • •Unusual noises from the engine
  • •Increased emissions

Diagnostic Steps

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6

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
  • •Basic hand tools

Parts Required

  • •Spark plugs
  • •Ignition coils
  • •Mass airflow sensor (if needed)
  • •Throttle position sensor (if needed)
  • •Fuel injectors (if needed)

Additional Information

Affected Component
Engine
Estimated Time
2-4 hours
Difficulty
medium
Severity
medium
Tools Required
5 items
Parts Required
5 items

Related Faults

Loading...

Share this solution

Comments

Sign in to share your thoughts

Sign In

No comments yet

Be the first to share your thoughts

Back to Generation
Solution
1. Preparation
  • Tools Required: OBD-II scanner, socket set, multimeter, torque wrench, basic hand tools.
  • Ensure the vehicle is parked on a level surface and the engine is turned off.
  • Disconnect the battery to avoid any electrical shorts during repairs.
2. Address Trouble Codes
  • Connect the OBD-II scanner to the vehicle's diagnostic port.
  • Retrieve and document any trouble codes.
  • Research the codes to determine the likely causes and necessary repairs.
3. Inspect and Replace Components
  • Spark Plugs and Ignition Coils:

    • Remove engine cover (if applicable) and disconnect electrical connectors.
    • Use the socket set to remove the spark plugs and inspect for wear.
    • Replace any faulty spark plugs and ignition coils with new ones.
    • Reinstall components and reconnect electrical connectors.
  • Mass Airflow Sensor (MAF):

    • Locate the MAF sensor on the intake manifold.
    • Disconnect the wiring harness and remove the sensor using the socket set.
    • Clean the MAF sensor with MAF cleaner or replace it if defective.
    • Reinstall the MAF sensor and reconnect the wiring harness.
  • Throttle Position Sensor (TPS):

    • Locate the TPS on the throttle body.
    • Disconnect the wiring harness and remove screws holding the TPS.
    • Install the new TPS and reconnect the wiring harness.
4. Fuel System Check
  • Fuel Injectors:

    • Use the multimeter to check the resistance of each fuel injector.
    • Replace any faulty injectors as necessary.
  • Fuel Pressure:

    • Attach a fuel pressure gauge to the fuel rail.
    • Start the engine and check for proper fuel pressure as per manufacturer specifications.
5. Final Steps
  • Reconnect the battery and clear any trouble codes using the OBD-II scanner.
  • Start the engine and monitor for any abnormal symptoms or warning lights.