My last tank in the connect i got 38MPG (90PS 1.8TDCi) all town driving
I havn't used a non supermarket fuel pump in 32 years
bortaf wrote:Outside temp makes a differance, at the mo i get 380 MPTank in my fusion (1.4TDCi), in the summer i get 420MPT, in my connect (1.8TDCi) i loose the same millage in the winter except if i use recurculate on the heater i don't loose as much MPG
Also the dash Computor will estimate the miles per tank based on past driving, IE if you were hammering it on A roads then filled up it would estimate a lower MPT than if you'd prev been poodling along on a motorway
bortaf wrote:My last tank in the connect i got 38MPG (90PS 1.8TDCi) all town driving
I havn't used a non supermarket fuel pump in 32 years
mcbutler wrote:Strange that, if you consider cold air is denser than warm air then you will be getting more air into your cylinder than you do in summer so theoretically more power!
I know they remix diesel from around mid nov to reduce waxing for winter but it should still be the same power fuel otherwise it would not match its cetane level and you are essentially being defrauded if thats the case.
Mike wrote:mcbutler wrote:Strange that, if you consider cold air is denser than warm air then you will be getting more air into your cylinder than you do in summer so theoretically more power!
I know they remix diesel from around mid nov to reduce waxing for winter but it should still be the same power fuel otherwise it would not match its cetane level and you are essentially being defrauded if thats the case.
Diesel engines don’t see the benefits of cold air like petrol engines do, that affects the fuel consumption too.
mcbutler wrote:bortaf wrote:Outside temp makes a differance, at the mo i get 380 MPTank in my fusion (1.4TDCi), in the summer i get 420MPT, in my connect (1.8TDCi) i loose the same millage in the winter except if i use recurculate on the heater i don't loose as much MPG
Also the dash Computor will estimate the miles per tank based on past driving, IE if you were hammering it on A roads then filled up it would estimate a lower MPT than if you'd prev been poodling along on a motorway
Strange that, if you consider cold air is denser than warm air then you will be getting more air into your cylinder than you do in summer so theoretically more power!
I know they remix diesel from around mid nov to reduce waxing for winter but it should still be the same power fuel otherwise it would not match its cetane level and you are essentially being defrauded if thats the case.
V184 wrote:bortaf wrote:My last tank in the connect i got 38MPG (90PS 1.8TDCi) all town driving
I havn't used a non supermarket fuel pump in 32 years
Old ones were a bit pony on fuel, high frontal area
bortaf wrote:mcbutler wrote:bortaf wrote:Outside temp makes a differance, at the mo i get 380 MPTank in my fusion (1.4TDCi), in the summer i get 420MPT, in my connect (1.8TDCi) i loose the same millage in the winter except if i use recurculate on the heater i don't loose as much MPG
Also the dash Computor will estimate the miles per tank based on past driving, IE if you were hammering it on A roads then filled up it would estimate a lower MPT than if you'd prev been poodling along on a motorway
Strange that, if you consider cold air is denser than warm air then you will be getting more air into your cylinder than you do in summer so theoretically more power!
I know they remix diesel from around mid nov to reduce waxing for winter but it should still be the same power fuel otherwise it would not match its cetane level and you are essentially being defrauded if thats the case.
Defrauded ? what would you rather have, slightly less MPG or be stranded cos the vehical wont start due to waxing
In reality there's lots of reasons, longer warm up times, higher electrical load on the engine, lower tyre pressures (more rolling resistance), denser air meaning more fuel is injected (but does your right foot compensate by pushing less), you could even argue that colder air is denser so there's more resistance from the air(more a factor on motorways i assume) and given that diesel produce less heat than a petrol using up that heat to warm the cabin must also have an effect to some degree
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