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how to fix the check engine light on my Ford Explorer Fifth Generation (2011-2019) - Ford Explorer
Home/Cars/Ford/Explorer/Fifth Generation (2011-2019)/how to fix the check engine light on my Ford Explorer Fifth Generation (2011-2019)

how to fix the check engine light on my Ford Explorer Fifth Generation (2011-2019)

Ford Explorer Fifth Generation (2011-2019)

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

Problem Statement

Learn how to diagnose and fix the check engine light issue on your Ford Explorer (2011-2019). Step-by-step guide with diagnostic procedures 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 the engine to cool before working on components near the engine.

Symptoms

  • •Check engine light illuminated
  • •Decreased fuel efficiency
  • •Engine misfiring or rough idling
  • •Unusual engine noises
  • •Failed emissions test (if applicable)
  • •Loss of power during acceleration

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
  • •Torque wrench
  • •Oxygen sensor socket (if applicable)
  • •Screwdrivers
  • •Pliers

Parts Required

  • •Oxygen sensor (if applicable)
  • •Spark plugs
  • •Ignition coils (if applicable)
  • •Gas cap (if needed)

Additional Information

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

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Solution
1. Preparation
  • Gather tools and materials.
  • Ensure the vehicle is parked on a flat surface and the engine is off.
  • Disconnect the battery negative terminal to avoid electrical issues.
2. Address Error Codes
  • After scanning for error codes, look up the specific codes related to the check engine light.
  • Based on the codes, perform targeted repairs. For example, if a code indicates a faulty oxygen sensor:
    • a. Disconnect the battery.
    • b. Remove the faulty oxygen sensor using an oxygen sensor socket.
    • c. Install a new sensor and reconnect the wiring.
3. Inspect and Replace Components
  • a. Gas Cap Inspection

    • Remove the gas cap and check for damage or wear. Replace if necessary.
  • b. Spark Plug and Ignition Coil Replacement

    • Remove the engine cover (if applicable).
    • Disconnect the wiring harness from the ignition coils.
    • Remove bolts securing the coils and lift them out.
    • Replace spark plugs using a spark plug socket and torque to manufacturer's specifications (typically 13-15 ft-lbs).
    • Reinstall coils and reconnect the wiring harness.
4. Clear Codes and Reconnect Battery
  • Use the OBD-II scanner to clear the error codes.
  • Reconnect the battery terminal.
5. Test Drive the Vehicle
  • Take the vehicle for a test drive to monitor for any reoccurrence of the check engine light.