In the last month my mpg has dropped! I have checked the usual culprits but need suggestions,in case I've missed something!! s:? :? s:?
Apart from the obvious right foot comments then fuelllng is controlled by the ECU based upon inputs from the MAF, 02 sensors, cam / crank sensors, and the state of the injectors and possibly plugs.
Do the easy stuff first (clean the MAF and plugs) and put a code reader on it to see if there is anything stored.
My MPGs used to drop off a tad during colder months... Couldn't tell you if that's still true though! s:) :) s:)
As the temperature has dropped, I've lost about 3-4mpg on my normal commute.
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Funny you should say this, my last MPG dropped from 32 to 28 ... but I can't remember put my foot down much ... I've just started using Shell rather than Asda s:? :? s:?
My engine is also running at about 84 degrees rather than the normal 86.
As it's been bloody cold I'd say it's most likely just down to that! m http://alternativefuels.about.com/od/en ... elecon.htm (http://alternativefuels.about.com/od/environmentalimpact/a/winterfuelecon.htm) m
cooler air same amount fuel = performance increase for less pedal could be fan / heater reduces mpg
I'm gone below 28mpg now... I'm doing 24ish...
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More fuel required for colder air as it denser