What do I need to do to maintain my diesel particulate filter?


A DPF is like a filter for your engine's exhaust. It captures soot particles, preventing them from polluting the air. This filter can become clogged over time, leading to:

  • Reduced Fuel Efficiency - A clogged DPF can make your engine work harder, leading to higher fuel consumption.
  • Loss of Power - A blocked filter can restrict airflow, causing a loss of power and performance.
  • Engine Damage - In severe cases, a clogged DPF can damage your engine.


How Does a DPF Clean Itself?

DPFs have a self-cleaning mechanism called regeneration. There are two types:

  • Passive Regeneration - This occurs naturally when the exhaust temperature is high enough to burn off the soot. This usually happens during highway driving.
  • Active Regeneration - If passive regeneration isn't enough, the engine injects extra fuel to raise the exhaust temperature and burn off the soot.


Signs Your DPF Needs Attention

  • Warning Lights on Your Dashboard: A DPF warning light will illuminate when the filter needs attention.
  • Reduced Engine Power: A clogged filter can lead to sluggish performance.
  • Increased Fuel Consumption: A blocked filter can increase fuel consumption.
  • Excessive Smoke from the Exhaust: This is a clear sign of a DPF issue.


Tips for DPF Maintenance

  • Regular Highway Driving: Highway driving helps trigger passive regeneration.
  • Avoid Excessive Idling: Idling can lead to increased soot buildup.
  • Use High-Quality Fuel and Oil: Quality fuels and oils can help prevent DPF issues.
  • Schedule Regular Maintenance: Regular maintenance can help identify and address potential problems early.


Give us a call and let us take care of you.



Happy Adventures,

Heather


Our specials can be found here - Specials - J & H Automotive, Inc

Ready to make an appointment … Appointments - J & H Automotive, Inc

Want to know more … About Us - J & H Automotive, Inc

Would you like to join our merry band of misfits? Careers - J & H Automotive, Inc

 

 

Want to know more…

https://www.facebook.com/JHAutomotiveInc

https://www.pinterest.com/jhautoinc

Instagram photos and videos

LinkedIn


By jhautoinc June 5, 2026
Your engine will not run without them.
By jhautoinc June 2, 2026
You need to be able to see properly
By jhautoinc May 29, 2026
They keep your vehicle safe
By jhautoinc May 26, 2026
Oil is vital
By jhautoinc May 22, 2026
It's important to keep you safe.
By jhautoinc May 19, 2026
This most likely a catastrophic failure
By jhautoinc May 12, 2026
This debris makes it hard for your radiator to work
By jhautoinc April 28, 2026
An oil leak can be dangerous
By jhautoinc April 24, 2026
Gear oil is important lubrication
By jhautoinc April 22, 2026
This is repair that should not be put off.