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Should You Buy a Car with A Diesel Particulate Filter (DPF)

Written BySteve Riley Hours Updated on09/08/2023
Should you buy a car with a DPF fitted
A DPF can be very expensive if it is not maintained correctly

Should You Buy a Car with a Diesel Particulate Filter (DPF)?

1. Introduction

Diesel engines have faced significant challenges in pursuing cleaner and more environmentally friendly vehicles. The Diesel Particulate Filter (DPF) is one solution to reduce diesel emissions.

Table of Contents
  • Should You Buy a Car with a Diesel Particulate Filter (DPF)?
  • 1. Introduction
  • 2. What is a Diesel Particulate Filter (DPF)?
  • 3. How Does a DPF work?
  • 4. Advantages of DPFs
  • 5. Drawbacks of DPFs
  • 6. Maintenance and Costs
  • 7. Considering a DPF-Equipped Vehicle?
  • Most Important – Which Oil To Use
  • Conclusion

However, there are various factors to consider before deciding whether to buy a car with a DPF. In this article, we will explore the advantages and drawbacks of DPF-equipped cars and guide potential buyers.

2. What is a Diesel Particulate Filter (DPF)?

A Diesel Particulate Filter (DPF) is a device designed to remove diesel particulate matter (soot) from the exhaust gas of a diesel engine. A DPF aims to reduce harmful emissions and meet stringent emission standards.

28/09/2023 9:26 am
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  • Wynn's 28263 Diesel Particulate Filter Cleaner
    Wynn's 28263 Diesel Particulate Filter Cleaner
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3. How Does a DPF work?

The DPF filter traps soot particles as they pass through the exhaust system. Over time, the filter becomes clogged with soot, requiring a process called “regeneration” to burn off the accumulated particles. This process can occur either passively (through normal driving) or actively (by injecting extra fuel to raise the exhaust temperature).

4. Advantages of DPFs

  1. Reduced emissions: A DPF reduces harmful particulate emissions by up to 85%, improving air quality and contributing to a healthier environment.
  2. Compliance with emission regulations: Cars equipped with DPFs meet stringent emission standards, making them legal to drive in most countries.
  3. Fuel economy: Diesel engines generally offer better fuel economy than their gasoline counterparts, and a DPF does not significantly affect this benefit.

5. Drawbacks of DPFs

  1. Regeneration issues: Regeneration can be problematic if the process is interrupted or if the vehicle is primarily used for short trips.
  2. Potential for costly repairs: DPFs can be expensive to repair or replace if they fail or become irreversibly clogged.
  3. Decreased engine performance: DPF-equipped cars may experience reduced engine performance due to the backpressure caused by the filter.

6. Maintenance and Costs

  1. Regular maintenance: It is essential to maintain a DPF-equipped car properly, including regular oil changes, using the correct fuel, and adhering to the manufacturer's service schedule.
  2. DPF cleaning: Periodic professional cleaning of the DPF can extend its lifespan and improve performance.
  3. Replacement costs: A new DPF can cost between $1,000 and $3,500, depending on the make and model of the vehicle.

7. Considering a DPF-Equipped Vehicle?

Before deciding to purchase a car with a DPF, consider the following:

  1. Driving habits: Ensure that your driving habits align with the requirements for proper DPF regeneration. If you frequently take short trips or drive in city traffic, a DPF-equipped car may not be the best choice.
  2. Maintenance commitment: Be prepared to commit to regular maintenance and potential additional costs associated with DPF upkeep.
  3. Emission regulations: Research the emission regulations in your country or region to ensure that a DPF-equipped vehicle meets the necessary standards.
  4. Future resale value: As emission standards continue to evolve, the resale value of diesel vehicles with DPFs may be impacted, particularly if the technology becomes outdated or more stringent regulations are implemented.

Most Important – Which Oil To Use

Your DPF can be badly affected by the engine oil that you use. There is one type of oil that is recommended for every car that has a DPF fitted, and this oil is the ONLY oil you should be using.

Conclusion

A Diesel Particulate Filter (DPF) is an essential component for reducing emissions in diesel vehicles. While it offers numerous advantages, such as reduced emissions and regulations compliance, its drawbacks include maintenance costs and potential regeneration issues.

If you're considering a DPF-equipped car, carefully evaluate your driving habits and be prepared for the additional maintenance responsibilities. Ultimately, the decision will depend on your priorities and commitment to maintaining a cleaner, more environmentally friendly vehicle.

References

  1. Understanding Oil Specifications For DPF Filter Cars
  2. Diesel Particulate Filters (DPF) – A Brief Overview
  3. Understanding Diesel Particulate Filters (DPF) and Regeneration
  4. Diesel Particulate Filter (DPF) – Function, Material, Regeneration, and Failure
  5. How Diesel Particulate Filters Work, and Why They're a Problem
  6. The Truth About Diesel Particulate Filter Problems (DPF Problems)
  7. Diesel Particulate Filters: What You Need to Know
  8. Why Diesel Particulate Filter Maintenance is Important
  9. Diesel Particulate Filter Replacement Cost: Is It Worth It?

28/09/2023 9:26 am
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    • ★ 100% Satisfied Guarantee:1 year warranty Guaranteed!If
    $ 21.29
  • Dorman 674-9002 Diesel Particulate Filter (DPF) Gasket Compatible with Select
    Dorman 674-9002 Diesel Particulate Filter (DPF) Gasket Compatible with Select Ford Models
    • Direct replacement - this diesel particulate filter (DPF) gasket matches the original gasket required to repair the DPF on specified vehicles
    • Ideal solution - this gasket is a reliable replacement for an original part that is damaged, failed or missing
    • Durable construction - this part is made from
    $ 62.77

Related posts:

Can A Blocked DPF Filter Damage The EngineCan A Blocked Diesel Particulate Filter (DPF) Damage The Engine Can You Clean A Dpf Without Removing ItCan You Clean A Diesel Particulate Filter (DPF) Without Removing It Can You Clear The DPF Filter LightCan You Clear The Diesel Particulate Filter (DPF) Light By Driving The Car
Post Tags: #DPF
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