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My Mercedes-Benz has constant DPF issues that aren't due to my driving - what should I do?

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Why is my Volkswagen Passat juddering when I start it?

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The injector in my Mazda 3 has failed - is this due to using supermarket fuel?

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Is it usual for a belt tensioner to go off centre and shred the belt?

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After carrying out an oil change, the sump plug is leaking - could it be because I used a metal washer?

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Do I need to reset the ECU after having a new DPF fitted?

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DPF light keeps coming on after the emissions fix - did they do a botch job?

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What cars are still reliable over the 100,000 mile mark?

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