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my Ford Explorer Fifth Generation (2011-2019) has a rough idle when starting cold, what could be wro... - Ford Explorer
Home/Cars/Ford/Explorer/Fifth Generation (2011-2019)/my Ford Explorer Fifth Generation (2011-2019) has a rough idle when starting cold, what could be wro...

my Ford Explorer Fifth Generation (2011-2019) has a rough idle when starting cold, what could be wro...

Ford Explorer Fifth Generation (2011-2019)

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

Problem Statement

Learn how to diagnose and fix rough idle issues in 2011-2019 Ford Explorer. Step-by-step guide with diagnostic procedures 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 working on the cooling system

Symptoms

  • •Check engine light illuminated
  • •Engine stalling during idle
  • •Increased emissions
  • •Poor fuel economy
  • •Vibrations felt in the cabin while idling

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
  • •Throttle body cleaner
  • •Socket set
  • •Torque wrench
  • •Fuel pressure gauge
  • •Lint-free cloth
  • •Spark plug socket

Parts Required

  • •New spark plugs
  • •Engine coolant temperature sensor (if required)
  • •Gasket for the throttle body (if applicable)

Additional Information

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

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Solution
1. Preparation
  • Gather tools and ensure the vehicle is in a safe, well-ventilated area.
  • Disconnect the battery to prevent any electrical issues during repairs.
2. Clean the Throttle Body
  • Tools Required: Throttle body cleaner, lint-free cloth, socket set.
  • Remove the air intake duct connected to the throttle body.
  • Use throttle body cleaner and a lint-free cloth to clean the inside of the throttle body, ensuring the butterfly valve moves freely.
  • Reattach the air intake duct securely.
3. Replace the Spark Plugs
  • Tools Required: Socket set, torque wrench, spark plug socket.
  • Remove the ignition coil by unscrewing its mounting bolts and disconnecting the electrical connector.
  • Use a spark plug socket to remove the old spark plugs.
  • Install new spark plugs, ensuring they are torqued to the manufacturer’s specifications (typically between 13-20 lb-ft).
  • Reinstall the ignition coil and reconnect the electrical connector.
4. Replace the Engine Coolant Temperature Sensor (if faulty)
  • Tools Required: Socket set, screwdriver, torque wrench.
  • Locate the engine coolant temperature sensor (usually near the thermostat).
  • Disconnect the electrical connector and remove the sensor using a socket.
  • Install the new sensor, ensuring it is torqued to the specified value (consult service manual).
  • Reconnect the electrical connector.