Engine-Codes.com
Engine-Codes – Isuzu – P2002 Isuzu

P2002 Isuzu Code - Diesel Particulate Filter Efficiency Below Threshold Bank 1

Quick Answer

The P2002 Isuzu diagnostic trouble code indicates that the Diesel Particulate Filter (DPF) efficiency is below the threshold for Bank 1. Common causes include Clogged DPF due to soot or ash buildup, Short driving cycles preventing proper regeneration of the DPF, Low-quality fuel leading to increased particulate matter. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P2002 Isuzu indicates Diesel Particulate Filter Efficiency Below Threshold Bank 1.
Common causes
Common causes include Clogged DPF due to soot or ash buildup, Short driving cycles preventing proper regeneration of the DPF, Low-quality fuel leading to increased particulate matter.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
What is this?
Table of contents Created and updated by William Orellana on Sep 09, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code P2002 Isuzu Description

The P2002 Isuzu diagnostic trouble code indicates that the Diesel Particulate Filter (DPF) efficiency is below the threshold for Bank 1. The DPF is an emissions control device that captures and stores exhaust soot to reduce emissions from diesel engines. When the efficiency of the DPF drops below the threshold, it can lead to increased emissions and potentially affect the performance of the vehicle.

OBDII Code P2002 Isuzu - Diesel Particulate Filter Efficiency Below Threshold Bank 1
P2002 Isuzu Code - Diesel Particulate Filter Efficiency Below Threshold Bank 1

Common Causes of P2002 Isuzu

  1. Clogged DPF due to soot or ash buildup
  2. Short driving cycles preventing proper regeneration of the DPF
  3. Low-quality fuel leading to increased particulate matter
  4. Engine oil contamination affecting DPF efficiency
  5. Faulty DPF sensor or related components

Symptoms of P2002 Isuzu

  1. Reduced engine performance
  2. Decreased fuel efficiency
  3. Illuminated check engine light
  4. Limp mode activation
  5. Increased exhaust emissions

How to Fix P2002 Isuzu

  1. Perform a diagnostic scan to confirm the P2002 code and identify the specific cause of the issue.
  2. Inspect the DPF for any signs of clogging or damage and clean or replace it as necessary.
  3. Check the engine oil for contamination and replace if needed.
  4. Perform a forced regeneration to clear out any accumulated soot in the DPF.
  5. Address any faulty sensors or components related to the DPF system.

Cost to Fix P2002 Isuzu

The cost of repairing a P2002 Isuzu code can vary depending on the specific cause of the issue and the extent of the repairs needed. On average, the cost of replacing a Diesel Particulate Filter can range from $800 to $2000, including parts and labor. Additional costs may apply if other components need to be replaced or if diagnostic tests are required. It's important to consult with a qualified mechanic or repair shop to get an accurate estimate based on your vehicle's make and model.

What does this mean?

Tech Notes for P2002 Isuzu

To resolve this you will have to change the Diesel Particulate Filter and reset the code with an OBD scanner.

Need more information about the P2002 Isuzu code?

Need more information on how to fix the P2002 Isuzu code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P2002 Isuzu code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P2002 Isuzu Code

1. What are the common symptoms of OBDII code P2002 on an Isuzu vehicle?

- Common symptoms include reduced engine performance, rough idling, decreased fuel efficiency, and the illumination of the check engine light.

2. What are the possible causes of OBDII code P2002 indicating Diesel Particulate Filter Efficiency Below Threshold Bank 1 on an Isuzu?

- The code P2002 can be triggered by a clogged diesel particulate filter (DPF), faulty DPF sensor, exhaust leaks, or issues with the engine's fuel system.

3. How can I diagnose the root cause of OBDII code P2002 on my Isuzu?

- To diagnose the issue, a professional diagnostic scan tool can be used to monitor the DPF sensor readings, check for exhaust leaks, and inspect the overall condition of the DPF.

4. Can driving habits affect the occurrence of code P2002 on an Isuzu vehicle?

- Yes, frequent short trips or low-speed driving can lead to incomplete DPF regeneration, potentially causing the filter to become clogged and triggering the P2002 code.

5. What are some repair tips for resolving OBDII code P2002 on an Isuzu?

- Repair options may include performing a forced regeneration of the DPF, cleaning or replacing the DPF, checking and repairing any exhaust leaks, and ensuring proper fuel quality and engine maintenance.

6. Is it safe to continue driving an Isuzu with OBDII code P2002 present?

- It is not recommended to continue driving with the P2002 code active, as it can lead to further engine damage and potential DPF failure if left unresolved.

7. How much does it typically cost to repair OBDII code P2002 on an Isuzu?

- The cost of repairing code P2002 can vary depending on the specific cause of the issue, but it may range from a few hundred to over a thousand dollars, including parts and labor.

8. Can I reset the OBDII code P2002 on my Isuzu without fixing the underlying issue?

- While you can clear the code using a diagnostic scan tool, the underlying issue causing the P2002 code will need to be addressed to prevent it from reoccurring.

9. How often should the diesel particulate filter be inspected and maintained on an Isuzu to prevent code P2002?

- It is recommended to have the DPF system inspected periodically as part of routine maintenance, especially if the vehicle is frequently driven in stop-and-go traffic or short distances.

10. Are there any preventive measures to avoid triggering OBDII code P2002 on an Isuzu?

- Regularly driving at highway speeds to aid DPF regeneration, using high-quality diesel fuel, and following the manufacturer's recommended maintenance schedule can help prevent the occurrence of code P2002.

Discuss the causes and fixes for P2002 Isuzu OBDII Code

Submit a New Comment

Code P2002 Isuzu comments

No comments found for this page.