Resolving Retrofit Diesel Particulate Filter Related Problems

The DPF is a mechanical device and occasional problems may arise due to factors related to manufacturing, installation, or engine maintenance practices.  Use the following protocol to resolve DPF related performance or reliability problems.

For Trucks & Buses (Including Drayage/Port Trucks)

Step 1:      Contact your installer
Most problems are resolved in this manner

Step 2:      Contact the device manufacturer
If the installer cannot resolve your complaint

Step 3:      Contact ARB at 866-6DIESEL or 8666Diesel@arb.ca.gov
If the installer or manufacturer cannot resolve your complaint


For Transport Refrigeration Units (TRUs or Reefers)

Contact ARB at 1-888-878-2826 or tru@arb.ca.gov and contact your installer and/or manufacturer.



For more information

web         www.arb.ca.gov/truckstop
email       8666diesel@arb.ca.gov
phone      866-6
DIESEL  (866-634-3735)