For diesel workhorses, cleaning out the DPF filter regularly helps keep the truck running clean, but a dirty DPF could severely impact performance.

Your DPF and DOC don’t fail overnight—they fail slowly, one idle session and one short trip at a time. Some think emissions ...

Since 2007, all diesel vehicles in the U.S. have been required by law to have a DPF filter. It can clog up, but there are ways around that.

For diesel workhorses, cleaning out the DPF filter regularly helps keep the truck running clean, but a dirty DPF could severely impact performance.