how to diagnose jerking issues in my Ford Explorer Fifth Generation (2011-2019)

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

568 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 jerking issues in Ford Explorer Fifth Generation (2011-2019). Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Transmission

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 inspection.

Symptoms

•Jerking or lurching during acceleration
•Rough shifts or hesitation when changing gears
•Check engine light illuminated
•Poor fuel economy
•Unusual engine noises (e.g., knocking or sputtering)

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any stored trouble codes.
2
Check the transmission fluid level and condition; look for any discoloration or burning smell.
3
Inspect the engine air filter for clogs or restrictions that may affect airflow.
4
Examine ignition components (spark plugs, wires, coils) for wear or damage.
5
Test the fuel delivery system, including the fuel pump and fuel filter, for proper operation.
6
Look for vacuum leaks in hoses that could affect engine performance.
7
Evaluate the throttle position sensor (TPS) and mass airflow sensor (MAF) 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
•Multimeter
•Transmission fluid
•Torque wrench
•Fuel pressure gauge

Parts Required

•Spark plugs
•Ignition coils
•Transmission fluid
•Fuel filter (if applicable)

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any stored trouble codes.
2
Check the transmission fluid level and condition; look for any discoloration or burning smell.
3
Inspect the engine air filter for clogs or restrictions that may affect airflow.
4
Examine ignition components (spark plugs, wires, coils) for wear or damage.
5
Test the fuel delivery system, including the fuel pump and fuel filter, for proper operation.
6
Look for vacuum leaks in hoses that could affect engine performance.
7
Evaluate the throttle position sensor (TPS) and mass airflow sensor (MAF) for proper function.

Solution

1. Preparation

Gather necessary tools and parts. Ensure the vehicle is parked on a level surface.
Tools Required: OBD-II scanner, socket set, multimeter, transmission fluid, torque wrench.
Safety Warnings: Disconnect the battery before working on electrical systems and allow the engine to cool before inspection.

2. Address Error Codes

Connect the OBD-II scanner to the vehicle's diagnostic port.
Read and record any trouble codes; research the codes for further guidance.
Clear the codes to see if they reappear after a test drive.

3. Inspect and Change Transmission Fluid

Locate the transmission dipstick and remove it.
Check fluid level; add fluid if low and inspect for color and odor.
If the fluid is dirty or burnt, drain and replace the transmission fluid.
- Use a pump to remove old fluid through the dipstick tube.
- Replace with manufacturer-recommended fluid and ensure the level is correct.

4. Replace Ignition Components

Remove the engine cover if necessary to access spark plugs and coils.
Disconnect the ignition coils from the wiring harness and remove them using a socket.
Replace old spark plugs with new ones, ensuring they are gapped correctly.
Reinstall ignition coils and reconnect the wiring harness.

5. Test the Fuel System

Locate the fuel pump fuse and relay and check for functionality.
Using a fuel pressure gauge, connect to the fuel rail and check for proper fuel pressure as per manufacturer specifications.
Replace the fuel filter if it's clogged or has not been changed as per maintenance schedule.