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

534 words

Problem Statement

Learn how to diagnose and fix engine shaking at idle 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 starting work on components.

Symptoms

•Engine shakes or vibrates at idle
•Increased engine noise or roughness
•Check engine light illuminated
•Possible loss of power during acceleration
•Poor fuel economy
•Engine stalling or hesitation

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any stored trouble codes.
2
Inspect engine mounts for signs of wear or damage that could cause excessive movement.
3
Check for vacuum leaks around intake ports, hoses, and gaskets.
4
Test ignition system components including spark plugs, ignition coils, and wires.
5
Perform a compression test to check for consistent cylinder pressure across all cylinders.
6
Inspect fuel injectors for clogs or improper operation.

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
•Spark plug socket
•Fuel injector cleaning kit

Parts Required

•Engine mounts (if damaged)
•Spark plugs
•Fuel injectors (if faulty)

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any stored trouble codes.
2
Inspect engine mounts for signs of wear or damage that could cause excessive movement.
3
Check for vacuum leaks around intake ports, hoses, and gaskets.
4
Test ignition system components including spark plugs, ignition coils, and wires.
5
Perform a compression test to check for consistent cylinder pressure across all cylinders.
6
Inspect fuel injectors for clogs or improper operation.

Solution

1. Preparation

Gather tools and parts required for the repair.
Ensure the vehicle is parked on a level surface and the engine is off.
Disconnect the battery to prevent electrical shorts.

2. Inspect Engine Mounts

Sub-steps:
- Locate the engine mounts (typically found at the front, rear, and sides of the engine).
- Use a socket set to remove any components obstructing access to the mounts.
- Visually inspect for cracks, excessive wear, or separation.
- If damaged, replace with OEM or high-quality aftermarket engine mounts.
Tools Required: Socket set, torque wrench

3. Check and Replace Spark Plugs

Sub-steps:
- Remove the ignition coils using a socket set.
- Remove the spark plugs using a spark plug socket.
- Inspect spark plugs for wear; replace if they appear worn or fouled.
- Reinstall new spark plugs and torque them to manufacturer specifications.
Tools Required: Spark plug socket, torque wrench

4. Inspect and Clean Fuel Injectors

Sub-steps:
- Remove the fuel rail to access the injectors.
- Clean or replace the fuel injectors as necessary.
- Reinstall the fuel rail and ensure all connections are secure.
Tools Required: Fuel injector cleaning kit, socket set

5. Check for Vacuum Leaks

Sub-steps:
- Inspect all vacuum hoses for cracks or disconnections.
- Use a smoke machine or carburetor cleaner to identify leaks around intake gaskets.
- Replace any damaged hoses and reseal gaskets as needed.
Tools Required: Smoke machine or carburetor cleaner, hose clamps