my Ford Explorer Fifth Generation (2011-2019) has a rough idle when in gear

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

543 words

Problem Statement

Learn how to diagnose and fix rough idle issues in Ford Explorer (2011-2019). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Engine

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

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

Symptoms

•Engine vibration noticeable at idle
•Increased engine noise when idling in gear
•Potential decrease in RPM stability
•Possible engine stalling when coming to a stop
•Check engine light may illuminate intermittently
•Poor fuel economy observed

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any stored trouble codes.
2
Inspect the air intake system for any leaks or obstructions.
3
Check the fuel system pressure to ensure proper fuel delivery.
4
Examine the ignition system components, including spark plugs and ignition coils.
5
Inspect the engine mounts for wear or damage, as they can cause vibrations.
6
Perform a vacuum leak test to detect any leaks in the intake manifold.

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
•Throttle body cleaner
•Smoke machine

Parts Required

•Spark plugs (if worn)
•Throttle body gasket (if removed)
•Engine mounts (if damaged)

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any stored trouble codes.
2
Inspect the air intake system for any leaks or obstructions.
3
Check the fuel system pressure to ensure proper fuel delivery.
4
Examine the ignition system components, including spark plugs and ignition coils.
5
Inspect the engine mounts for wear or damage, as they can cause vibrations.
6
Perform a vacuum leak test to detect any leaks in the intake manifold.

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 any electrical shorts while working on the vehicle.

2. Inspect and Replace Spark Plugs

Remove the ignition coil covers using a socket set.
Disconnect the electrical connectors from the ignition coils.
Remove the ignition coils and inspect the spark plugs for wear (replace if necessary).
Use a torque wrench to install new spark plugs to the manufacturer’s specifications (typically around 13-15 ft-lbs).
Reinstall the ignition coils and reconnect their electrical connectors.

3. Clean or Replace the Throttle Body

Remove the air intake duct by loosening the clamps and disconnecting any sensors.
Remove the throttle body from the intake manifold.
Clean the throttle body using throttle body cleaner and a soft cloth to remove carbon buildup.
Reinstall the throttle body using new gaskets if necessary, ensuring all bolts are tightened to manufacturer specifications.

4. Inspect and Repair Vacuum Leaks

Use a smoke machine to identify any vacuum leaks in the intake manifold.
If leaks are found, replace the affected gaskets or hoses.
Recheck all connections and fittings for proper sealing.

5. Check Engine Mounts

Visually inspect the engine mounts for cracks or separation.
If damaged, replace the engine mounts with new ones, ensuring they are torqued to the specified values.