[johnc]

307 Hdi when filled up reads on display 543km until empty, but figure say around 1000km on a single tank, what is wrong with my display, yet my petrol is lasting a fortnight, so I don't believe there is a mechanical issue , maybe

 

[the moose]

307 Hdi when filled up reads on display 543km until empty, but figure say around 1000km on a single tank, what is wrong with my display, yet my petrol is lasting a fortnight, so I don't believe there is a mechanical issue , maybe

how many kilometeres are you actually getting from a full tank?