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Are engine cleaning products any good for high mileage diesels?

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Why is the fan in my Volkswagen Passat running after I've turned the engine off?

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What things should I look out for when buying a 2008 Ford S-Max?

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What is the burning smell when I turn off the engine of my Ford Mondeo?

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Is there anything, other than long runs, that can clean a DPF?

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Is the Anti-skid service warning light on my Volvo S40 due to an EGR valve fault?

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What do I do if the emissions fix messed up my 2009 SEAT Exeo?

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Does our Mercedes-Benz C220 diesel need a new DPF?

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