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Ford Focus 2009: Using too much fuel

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I disappointed with the fuel economy we're getting from the 2009 Ford Focus manual we bought three months ago to use a second car. We have only managed to average 11 L/100km.  Admittedly this is just about all on short trips, but it's no better than we get from our diesel Pajero. Do I need to lower my expectations, or does this warrant further investigation?

Ford's claimed economy for the Focus manual is 7.3 L/100 km, which is a blend of city and country driving. The claimed economy in a city driving situation, which sounds like it could be like yours, is 10 L/100 km, while the claimed figure for country driving is 5.6 L/100 km. I would suggest you take it on a long trip and measure the economy in that situation before doing anything else. If it comes close to the 5.6 L/100 km claimed figure you could assume the car is running ok. If it doesn't come close then you assume something isn't quite right and investigate the problem. I would suggest you also give it a good hard run to blow out the carbon that's probably accumulated in the combustion chamber, and see if that helps.

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