Regular 3-10 mile journeys are bad for a diesel which has a DPF, unless there is at least one long continuous journey (50+ miles) every 2 weeks at a minimum, preferably every week. The engine needs to get up to full working temperature to allow the DPF (and EGR valve) to clear soot/ash etc.
Dead mazda 2.2 diesel: don't let this happen to you!Mazda 6's 2.2-liter diesel engine becomes reality Liter mazda diesel engine becomes reality autoevolutionMazda hatchback atenza diesel engine 2009 litre 2007 sap 2008 ford mazda6 1600 source cruze vital chevrolet control model autoevolution.With the Mazda BT-50 3.2L 5-cylinder diesel engine, many drivers have experienced problems relating to the engine’s EGR (exhaust gas recirculation) valve. The EGR valve is responsible for circulating some of the engine’s exhaust gases back into the combustion chamber to help decrease emissions. Mazda 6 2.gen. - Engines. Under the hood, not much has changed compared to the first generation. The basic petrol engines are still 1.8 and 2.0, and successful and without problems, also suitable for the use of auto-gas. Sometimes problems with the valve timing variator.