My Malfunction indicator light is on, plugged in a scanner and code P20 EE, P204 E, P20 EE, P2002 and P204 F show up. what do the codes refer to?
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Many of those fault codes relate to the Diesel Particulate Filter (according to FaultCodes.co) and other systems around the components that attempt to clean the exhaust from a diesel engine.
A common issue with diesel engines is that they don’t get run on long enough journeys to clean out the DPF, a very expensive part to fit. Some owners of diesel engine cars recommend keeping the revs high for a while on longer journeys – as the heat caused by this will activate the DPF cleaning cycle and fix this problem for you.