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why does my Ford Explorer Fifth Generation (2011-2019) check engine light stay on - Ford Explorer
Home/Cars/Ford/Explorer/Fifth Generation (2011-2019)/why does my Ford Explorer Fifth Generation (2011-2019) check engine light stay on

why does my Ford Explorer Fifth Generation (2011-2019) check engine light stay on

Ford Explorer Fifth Generation (2011-2019)

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

Problem Statement

Learn how to diagnose and fix the check engine light issue in Ford Explorer (2011-2019). 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 components to avoid shock.
  • •Allow the engine to cool before working on any components to prevent burns.

Symptoms

  • •Check engine light is continuously illuminated
  • •Possible decrease in fuel efficiency
  • •Engine running rough or misfiring
  • •Increased exhaust emissions
  • •Unusual engine noises (knocking or pinging)
  • •Poor acceleration or power loss

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
  • •Screwdriver set
  • •Pliers
  • •Torque wrench

Parts Required

  • •Spark plugs
  • •Ignition coils (if necessary)
  • •Air filter
  • •Vacuum hoses (if necessary)

Additional Information

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

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Solution
1. Preparation
  • Gather all necessary tools and parts.
  • Disconnect the negative battery terminal to ensure safety while working on the vehicle.
2. Replace Faulty Components
  1. Spark Plugs and Ignition Coils

    • Remove the spark plug wires or ignition coil connectors.
    • Use a socket set to remove old spark plugs; inspect for damage.
    • Install new spark plugs, tightening them to manufacturer specifications (typically 15-20 ft-lbs).
    • Reattach spark plug wires or ignition coils securely.
  2. Air Filter Replacement

    • Open the hood and locate the air filter housing.
    • Unclip or unscrew the housing cover and remove the old air filter.
    • Clean the housing with a damp cloth and install the new air filter, ensuring it fits snugly.
  3. Vacuum Hose Replacement

    • Identify any damaged or cracked vacuum hoses.
    • Cut the damaged section out and replace it with new hose of the same diameter.
    • Secure the new hoses with appropriate clamps.
3. Clear Error Codes
  • Reconnect the negative battery terminal.
  • Use the OBD-II scanner to clear any stored error codes.
  • Start the vehicle and check if the check engine light remains off.