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Old Dec 9th, 2017, 12:16   #11
skyship007
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Last Online: May 2nd, 2018 08:14
Join Date: Sep 2011
Location: DownSouth
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Quote:
Originally Posted by Volvophile View Post
My driving is mostly urban short journeys, which I know are never good for a car's fuel economy anyhow in the first place. It's just my average economy reading lately has been 22 mpg and I have struggled to better it. I would expect this sort of consumption from the larger and heavier five bangers, but not the 1.8 straight four in a car as light as the old S40.

I have changed the thermostat in the past and maintain the car to a very high standard.

Could there be something wrong?
On a cold day if you short trip your mpg figures will be worse and if you fit the wrong size tyres that are not in diameter spec they will also be off. Even if you have tyres that are listed in your owners handbook cos you like valid insurance, it can still be in error by upto 5% in trip computer or mpg.
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