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How do I replenish my Citroen C5's DPF additive?

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When should my Peugeot turbodiesel's timing chain be replaced?

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Do I really need to have a fuel system clean every six months?

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Could my Renault Megane's valves have hit the pistons if the timing belt has slipped?

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Does my Audi A4's water pump need changing at the same time as the cam belt?

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Does my Skoda Octavia need a cam belt service at 55,000 miles?

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How can I turn off my Mercedes-Benz E-Class' service indicator?

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My Citroen Picasso's crankshaft system was fitted incorrectly - what can I do?

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