definately something wrong.
you have answered your own question whether there is a problem by saying you used to get more mileage..
check the fuel filter isnt leaking. its under the car in front of the offside rear wheel. they can get tiny holes in them due to stones and as its under pressure it could be spraying as you drive. just enough not to be noticable...
happened to my old cupra. if its this, about £12 for part, easy change once you work out you need to squeeze the pipes so they click to get them off.
i think the worse i ever got out of a tank in my leon my cupra was 260 miles and that was not economical driving. i usually got 330+ and hit 360 regularly.
you do alot of miles so it should be pretty good mileage, but how fast do you go? mpg with drop from 60 mph upwards quiet significantly over 75. however it does appear something very wrong as thats seriousoly poor mileage.
you have answered your own question whether there is a problem by saying you used to get more mileage..
check the fuel filter isnt leaking. its under the car in front of the offside rear wheel. they can get tiny holes in them due to stones and as its under pressure it could be spraying as you drive. just enough not to be noticable...
happened to my old cupra. if its this, about £12 for part, easy change once you work out you need to squeeze the pipes so they click to get them off.
i think the worse i ever got out of a tank in my leon my cupra was 260 miles and that was not economical driving. i usually got 330+ and hit 360 regularly.
you do alot of miles so it should be pretty good mileage, but how fast do you go? mpg with drop from 60 mph upwards quiet significantly over 75. however it does appear something very wrong as thats seriousoly poor mileage.
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