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post #4 of (permalink) Old 16th March 2007
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May be worth trying some fuel conditioner, specifically for diesels. This will clean the injectors and fuel system etc. With longer service intervals now things can get dirty, particularly if vehicles are mainly used around town. Often a good occasional run on a motorway can help clean things up.

Even if the car has been fully serviced does the garage use a fuel conditioner at each service. I ensure at every service the car gets fuel condtioner added as well as an engine flush used before the oil change. I also usually re do the fuel conditioner every six months or around 6000miles or so.

I use Forte products, although they are about the dearest but generally find them to be good. There are lots of cheaper altenatives.

Check your air filter. As I said its now a long time between services, particularly for cars mainly used in towns.

Also rember its still winter and cars take longer to get up to temp etc. I find my fuel consumption definately drops in winter.
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2004 Renault Grand Scenic 1.9DCi
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