why does my Ford Explorer Fifth Generation (2011-2019) engine shake at idle

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

532 words

Problem Statement

Learn how to diagnose and fix engine shaking at idle in Ford Explorer Fifth Generation (2011-2019). 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 components.
•Allow the engine to cool before inspecting or replacing any components.

Symptoms

•Engine vibrations noticeable at idle
•Check engine light illuminated
•Rough idle or fluctuating RPMs
•Increased fuel consumption
•Possible engine stalling
•Unusual noises from the engine compartment

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any fault codes.
2
Inspect engine mounts for wear or damage.
3
Check for vacuum leaks in the intake system.
4
Analyze fuel trim readings using a diagnostic tool.
5
Examine spark plugs and ignition coils for wear or failure.
6
Test the idle air control valve for proper function.

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
•Multimeter
•Throttle body cleaner
•Smoke machine (optional for vacuum leaks)

Parts Required

•Engine mounts (if damaged)
•Spark plugs
•Ignition coils (if faulty)
•Hoses and gaskets (if necessary)

Related Faults

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any fault codes.
2
Inspect engine mounts for wear or damage.
3
Check for vacuum leaks in the intake system.
4
Analyze fuel trim readings using a diagnostic tool.
5
Examine spark plugs and ignition coils for wear or failure.
6
Test the idle air control valve for proper function.

Solution

1. Preparation

Gather all necessary tools and parts.
Disconnect the battery to ensure safety during repairs.

2. Inspect and Replace Engine Mounts

Sub-steps:
1. Raise the vehicle securely on jack stands.
2. Visually inspect the engine mounts for cracks or separation.
3. Using a socket set, remove the bolts securing the damaged engine mounts.
4. Replace with new engine mounts, ensuring proper alignment.
5. Torque bolts to the manufacturer’s specifications (usually around 40-60 ft-lbs depending on the mount).

3. Check and Repair Vacuum Leaks

Sub-steps:
1. Inspect all hoses connected to the intake manifold for cracks or disconnections.
2. Use a smoke machine or carburetor cleaner to detect leaks.
3. Replace any damaged hoses or gaskets.
4. Reassemble the intake system securely.

4. Replace Spark Plugs and Ignition Coils

Sub-steps:
1. Remove the engine cover if applicable.
2. Disconnect the electrical connectors from the ignition coils.
3. Remove the ignition coils using a socket wrench.
4. Replace the spark plugs using a spark plug socket, torquing to manufacturer specifications (typically around 13-15 ft-lbs).
5. Reinstall the ignition coils and reconnect the electrical connectors.

5. Test Idle Air Control Valve

Sub-steps:
1. Locate the idle air control valve on the throttle body.
2. Disconnect the electrical connector and remove mounting bolts.
3. Clean the valve with throttle body cleaner.
4. Test the valve for proper operation using a multimeter to check resistance. Replace if faulty.