Every diesel truck owner eventually hears about the DPF — the diesel particulate filter that catches soot before it can escape out the tailpipe in order to burn it off once the exhaust is hot enough.

We may receive a commission on purchases made from links. One of the things you might not know about diesel engines is that based on the chemicals emitted during operation such as Carbon Monoxide (CO) ...

An orange DPF light means the filter is clogging with soot and usually clears itself after 10 to 15 minutes of steady driving above 40mph on a dual carriageway or motorway. A red DPF light or the car ...