why does my Ford Explorer Fifth Generation (2011-2019) engine shake when idling

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

573 words

Problem Statement

Learn how to diagnose and fix engine shaking at idle in Ford Explorer (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 systems.
•Allow the engine to cool before performing repairs.

Symptoms

•Engine vibrations felt throughout the vehicle cabin
•Check engine light illuminated
•Rough or uneven idle
•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 underlying issues.
2
Inspect spark plugs and ignition coils for wear or damage.
3
Check engine mounts for signs of wear or failure.
4
Test for vacuum leaks in the intake system using a smoke test or visual inspection.
5
Examine the fuel system for clogged filters or weak fuel pumps.
6
Assess the condition of the air filter and intake system for blockages.

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
•Spark plug socket
•Ratchet
•Torque wrench
•Jack
•Jack stands
•Smoke machine or carburetor cleaner

Parts Required

•Spark plugs
•Ignition coils (if necessary)
•Engine mounts (if damaged)
•Vacuum hoses or gaskets (if needed)

Related Faults

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any underlying issues.
2
Inspect spark plugs and ignition coils for wear or damage.
3
Check engine mounts for signs of wear or failure.
4
Test for vacuum leaks in the intake system using a smoke test or visual inspection.
5
Examine the fuel system for clogged filters or weak fuel pumps.
6
Assess the condition of the air filter and intake system for blockages.

Solution

1. Preparation

Gather tools and parts required for the repair.
Disconnect the battery to ensure safety while working on the vehicle.

2. Inspect and Replace Spark Plugs

Sub-steps:
1. Remove the engine cover (if applicable) using a socket set.
2. Disconnect the ignition coils from the spark plugs.
3. Using a spark plug socket, remove the old spark plugs.
4. Inspect the old spark plugs for wear; replace if necessary (use OEM or recommended replacements).
5. Gap the new spark plugs according to manufacturer specifications.
6. Install the new spark plugs and reconnect the ignition coils.
Tools Required: Spark plug socket, ratchet, torque wrench.
Safety Warnings: Ensure the engine is cool before working on spark plugs to avoid burns.

3. Check Engine Mounts

Sub-steps:
1. Raise the vehicle using a jack and secure it with jack stands.
2. Inspect the engine mounts for any visible cracks or separation.
3. If defective, remove the bolts securing the engine mount to the engine and chassis.
4. Replace with new engine mounts, ensuring they are torqued to manufacturer specifications.
Tools Required: Jack, jack stands, socket set, torque wrench.

4. Vacuum Leak Test

Sub-steps:
1. With the engine running, use a smoke machine or carburetor cleaner to check for vacuum leaks around hoses and the intake manifold.
2. Listen for changes in engine RPM when applying the cleaner near suspected leaks.
3. Repair or replace any damaged hoses or gaskets identified during inspection.
Tools Required: Smoke machine or carburetor cleaner, basic hand tools.