Top 5 causes of blocked / Failed DPF diesel particulate filters Faulty EGR valves An EGR (exhaust gas return) valve is designed to reduce exhaust emissions by recirculating or reintroducing waste exhaust gases back into a diesel engine via the inlet manifold. Think of this control mechanism as your thumb on the end of a…

The Toyota Avensis 2.0 TD is a super car and has an even better Deisel power plant in it BUT its being held back by the dreaded blocked DPF filter that is fitted as standard. Keep driving it with a blocked DPF and eventually it WILL stop and you’ll be facing not only a DPF…

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