Owners who have had the diesel particulate filter from their car removed will now face an instant MOT failure after the Department for Transport changed the rules this month. Modern diesel cars come ...

I own a 2008 Mazda 6 2.0-litre diesel with 77,000 miles. A little while ago a DPF warning light came on and the car went into 'limp' mode. I spoke with the Mazda dealer who suggested the DPF filter ...

How DPFs trap soot and ash to reduce emissions. How regular maintenance acn prevent DPF failure and costly replacements. Signs of DPF issues that should prompt immediate attention. How proper oil and ...

We have owned a 2007 Hyundai Santa Fe 2.2 CDI 7-seater for three years but recently it has displayed the engine management light. Our dealer carried out a diagnostic check and revealed it was a ...

Modern medium- and heavy-duty trucks have sophisticated exhaust aftertreatment systems that can include a diesel oxidation catalyst (DOC), diesel particulate filter (DPF) and selective catalytic ...