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my Ford F-150 check engine light is on, what are the common codes? - Ford F-150
Home/Cars/Ford/F-150/13th Generation (2015-2020)/my Ford F-150 check engine light is on, what are the common codes?

my Ford F-150 check engine light is on, what are the common codes?

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

Error Codes
1-3 hours
Time
medium
Difficulty
medium
Severity
Navigation
ProblemSymptomsDiagnosisSolution
ProblemSymptomsDiagnosisSolution
3 min read
464 words

Problem Statement

Learn how to diagnose and fix check engine light issues in Ford F-150. Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component
Engine
Estimated Time
1-3 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

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

Symptoms

  • •Check engine light illuminated
  • •Poor fuel economy
  • •Rough idle
  • •Engine stalling
  • •Loss of power during acceleration
  • •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
  • •Multimeter
  • •Socket set
  • •Torque wrench

Parts Required

  • •Gas cap (if damaged)
  • •Spark plugs (if worn)
  • •Ignition coils (if faulty)
  • •Oxygen sensors (if faulty)

Additional Information

Affected Component
Engine
Estimated Time
1-3 hours
Difficulty
medium
Severity
medium
Tools Required
4 items
Parts Required
4 items

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Solution
1. Preparation
  • Gather necessary tools and parts.
  • Ensure the vehicle is parked on a level surface and the engine is cool.
  • Disconnect the battery to prevent electrical shorts.
2. Retrieve and Analyze Codes
  • Connect the OBD-II scanner to the vehicle’s diagnostic port.
  • Turn the ignition to the "On" position without starting the engine.
  • Follow the scanner’s instructions to retrieve and record the codes.
  • Research the codes and their meanings to identify the source of the issue.
3. Inspect and Address Common Issues
  • Gas Cap:

    • Remove and inspect the gas cap for cracks or damages.
    • Replace if necessary with an OEM or compatible gas cap.
  • Spark Plugs and Ignition Coils:

    • Remove the ignition coils from the spark plugs.
    • Inspect spark plugs for wear or deposits; replace if necessary.
    • Test ignition coils with a multimeter; replace faulty coils.
  • Oxygen Sensors:

    • Locate the upstream and downstream oxygen sensors.
    • Use a multimeter to test the sensors’ resistance; replace any faulty sensors.
4. Reassemble and Reset Codes
  • Reinstall all components removed for inspection.
  • Reconnect the battery.
  • Use the OBD-II scanner to clear any stored codes.
  • Start the engine and allow it to idle while monitoring for any warning lights.