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Why is our Renault Scenic averaging only 26mpg?

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Are there any precautions I should follow with regards to turbochargers on stop-start engines?

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Should I idle my Mondeo 1/6 EcoBoost turbo even after short trips?

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Under what circumstances should I allow my Mondeo's turbocharger to cool as it spools down?

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Has the new Nissan X-Trail's turbo problem been solved?

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Should I allow my BMW 120d's turbo to cool after driving?

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Clutch replacement, should I replace the DMF at the same time?

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Should I change the oil in my Freelander 2 before embarking on a 2000-mile trip round Europe?

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