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my Ford Explorer has a rough idle and shakes what could be the cause - Ford Explorer
Home/Cars/Ford/Explorer/Fifth Generation (2011-2019)/my Ford Explorer has a rough idle and shakes what could be the cause

my Ford Explorer has a rough idle and shakes what could be the cause

Ford Explorer Fifth Generation (2011-2019)

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

Problem Statement

Learn how to diagnose and fix rough idle and shaking issues in 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 opening any components.

Symptoms

  • •Rough engine idle
  • •Vehicle shaking or vibrating
  • •Possible check engine light illuminated
  • •Increased fuel consumption
  • •Engine stalling at low RPMs

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 (including spark plug socket)
  • •Torque wrench
  • •Fuel line disconnect tool
  • •Screwdrivers
  • •Vacuum gauge (optional for leak testing)

Parts Required

  • •Spark plugs
  • •Ignition coils (if damaged)
  • •Fuel injectors (if clogged or leaking)
  • •Vacuum hoses (if damaged)

Additional Information

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

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Solution
1. Preparation
  • Gather necessary tools and parts.
  • Disconnect the battery to prevent electrical shorts.
  • Allow the engine to cool before starting work.
2. Replace Spark Plugs and Ignition Coils
  • Remove the engine cover if applicable.
  • Disconnect electrical connectors from ignition coils.
  • Unbolt the ignition coils and remove them from the spark plugs.
  • Remove old spark plugs using a spark plug socket.
  • Inspect and clean the spark plug holes to avoid debris entering the combustion chamber.
  • Install new spark plugs to the manufacturer’s torque specification (typically around 15-20 lb-ft).
  • Reinstall ignition coils and reconnect electrical connectors.
3. Check and Clean Fuel Injectors
  • Locate the fuel rail and relieve fuel pressure by removing the fuel pump fuse and running the engine until it stalls.
  • Disconnect fuel lines and electrical connectors from the fuel injectors.
  • Remove the injectors from the fuel rail.
  • Clean injectors using an ultrasonic cleaner or fuel injector cleaner solution.
  • Reinstall cleaned injectors and reconnect fuel lines.
4. Inspect and Repair Vacuum Leaks
  • Check all vacuum hoses for cracks or disconnections.
  • Replace any damaged hoses with new ones.
  • Tighten intake manifold bolts to the manufacturer’s torque specification (typically around 18-25 lb-ft).
5. Final Assembly and Testing
  • Reinstall any components removed during the repair process.
  • Reconnect the battery.
  • Start the engine and check for smooth idle and proper operation.