how to diagnose the DPF problems on 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

553 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 DPF issues in Ford Explorer (2011-2019). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Exhaust System

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems.
•Allow the exhaust system to cool before handling components.

Symptoms

•Check engine light illuminated
•Reduced engine performance
•Increased fuel consumption
•Frequent regeneration cycles
•Exhaust smoke or unusual odors
•Engine stalling or misfiring

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify specific DPF-related fault codes.
2
Inspect the DPF visually for signs of damage or excessive soot buildup.
3
Check the differential pressure sensor readings to assess the DPF's condition.
4
Verify the operation of the DPF regeneration process by monitoring the vehicle’s data during driving conditions.
5
Inspect associated components such as the turbocharger, EGR system, and exhaust for leaks or malfunctions.
6
Perform a backpressure test to measure the restriction levels in the exhaust system.

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
•Exhaust pipe cutter

Parts Required

•Diesel Particulate Filter
•DPF cleaning solution

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify specific DPF-related fault codes.
2
Inspect the DPF visually for signs of damage or excessive soot buildup.
3
Check the differential pressure sensor readings to assess the DPF's condition.
4
Verify the operation of the DPF regeneration process by monitoring the vehicle’s data during driving conditions.
5
Inspect associated components such as the turbocharger, EGR system, and exhaust for leaks or malfunctions.
6
Perform a backpressure test to measure the restriction levels in the exhaust system.

Solution

1. Preparation

Gather necessary tools and parts before starting the repair.
Disconnect the battery to ensure safety during electrical work.
Raise the vehicle securely using jack stands for access.

2. Remove the DPF

Tools Required: Socket set, torque wrench, exhaust pipe cutter (if necessary)
Remove any heat shields or covers obstructing access to the DPF.
Disconnect the exhaust pipes from the DPF using a socket wrench.
Detach the differential pressure sensor and any wiring harnesses connected to the DPF.
Carefully unbolt the DPF from its mounting brackets and remove it from the vehicle.

3. Clean or Replace the DPF

Inspect the DPF for soot accumulation or physical damage.
If cleaning, use a DPF cleaning solution and follow the manufacturer's instructions, or use a specialized DPF cleaning machine.
If replacing, ensure the new DPF matches the original specifications and install it according to the manufacturer's torque specifications.

4. Reinstall DPF and Components

Reattach the DPF to the mounting brackets and reconnect the exhaust pipes, ensuring proper alignment.
Reconnect the differential pressure sensor and wiring harnesses.
Replace any heat shields or covers removed earlier.

5. Reset the Engine Control Module (ECM)

Tools Required: OBD-II scanner
Use the OBD-II scanner to clear any DPF-related error codes from the ECM.
Perform a forced regeneration cycle if the scanner allows it.

6. Final Inspection

Start the engine and check for leaks around the DPF and exhaust connections.
Monitor the engine for any abnormal noises or warning lights.