my Ford Explorer has a check engine light and is shaking what should I do

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

517 words

⚠️ Safety Warning

This issue requires immediate attention. If you are not experienced with automotive repairs, consult a professional mechanic. Working on critical systems can be dangerous.

Problem Statement

Learn how to diagnose and fix engine shaking and check engine light 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 components.
•Allow the engine to cool before conducting any inspections or repairs.

Symptoms

•Check engine light illuminated
•Engine shaking or vibrating during idle and acceleration
•Rough idle
•Loss of power during acceleration
•Decreased fuel efficiency
•Possible engine stalling

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify specific issues.
2
Inspect the engine for visible signs of damage, such as loose or damaged hoses and wires.
3
Check spark plugs and ignition coils for wear or failure.
4
Inspect fuel injectors for clogs or leaks.
5
Test the engine compression to assess internal engine health.
6
Examine the air intake system for blockages or leaks.

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
•Compression gauge
•Fuel injector cleaning kit

Parts Required

•Spark plugs
•Ignition coils (if faulty)
•Fuel injectors (if necessary)
•Air filter

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify specific issues.
2
Inspect the engine for visible signs of damage, such as loose or damaged hoses and wires.
3
Check spark plugs and ignition coils for wear or failure.
4
Inspect fuel injectors for clogs or leaks.
5
Test the engine compression to assess internal engine health.
6
Examine the air intake system for blockages or leaks.

Solution

1. Preparation

Gather necessary tools and parts.
Park the vehicle on a level surface and set the parking brake.
Disconnect the battery to ensure safety during electrical work.

2. Address Ignition Components

Spark Plug Replacement:
1. Remove the ignition coil by unscrewing any fasteners and disconnecting the electrical connector.
2. Using a spark plug socket, remove the old spark plug.
3. Inspect the spark plug for wear; if necessary, replace with OEM specifications (typically, torque to 13 lb-ft).
Ignition Coil Replacement:
1. If the ignition coil is faulty, replace it with a new one by reversing the removal steps.

3. Fuel System Inspection

Fuel Injector Cleaning/Replacement:
1. If fuel injectors are clogged, consider using a fuel injector cleaning kit or replace them if necessary.
2. Ensure proper seating and connections when reinstalling.

4. Compression Test

Engine Compression Testing:
1. Remove spark plugs to access the cylinders.
2. Insert a compression gauge into the spark plug holes.
3. Crank the engine and record the readings for each cylinder; compare to manufacturer specifications.

5. Air Intake System Check

Inspect and Clean:
1. Remove the air filter and inspect for dirt or blockages. Replace if necessary.
2. Check the intake manifold for leaks and clean as needed.