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1999 1.8 Fuel consumption urban figure - jp147
My Ford Focus is a 1.8 petrol.

According to the owner's guide I should be getting 27mpg for urban driving.

Does anyone know how the car was driven to give this value i.e. would it include high revving through the low gears and periods of idling, and would it include driving up hills.

The thing is since I had an oil change I have been getting 2-4mpg less on urban driving.

Do you think revving the engine whilst it is idling uses more petrol than holding onto low gears while driving and is the 27mpg only a guide ?

What about cold weather - does this really reduce fuel economy on modern cars ?

Thanks again
1999 1.8 Fuel consumption urban figure - Number_Cruncher
>>The thing is since I had an oil change

Please, please, get over this oil change paranoia.


{And read some of the replies to your other questions which are the same as this latest one, which will give you the answer - DD}

Edited by Dynamic Dave on 22/12/2008 at 19:05