MFA & Acuracy?

[Chris36]

Hi guys just wonderig - how accurate are these??

Been running around in my Mk2 a lot more recently - seeing 38 MPG on the MFA
 
Is that realistic?? Not really paid any attention to the actual miles ive covered!!

Standard 8V BTW

[whiter_than_white]

thats good  i use mine daily and showing 33, i do 15 miles each way from home to work, i do normally get stuck in traffic so i think that helps but do like to push the old girl when i can 

[Chris36]

Do you think its actually pretty accurate then??

[JC]

mine tells me 33 mpg normally and its bollox

. even going by the fill up, record ya mileage, fill up again way is hit and miss cos your speedo thus mileometer can be way out too 


I am long past caring,

Fill up  Drive and enjoy 

[hobbes]

Talking of MFA's, can you still get the outside temp sensor?  Mine was reading 6 C today

[VeeDubGTI16v]

mine tells me 33 mpg normally and its bollox

. even going by the fill up, record ya mileage, fill up again way is hit and miss cos your speedo thus mileometer can be way out too 


I am long past caring,

Fill up  Drive and enjoy 

thinking about it, if a speedo can be 10% out, then the mileage on our cars is 10% too high 

[JC]

mine tells me 33 mpg normally and its bollox

. even going by the fill up, record ya mileage, fill up again way is hit and miss cos your speedo thus mileometer can be way out too 


I am long past caring,

Fill up  Drive and enjoy 

thinking about it, if a speedo can be 10% out, then the mileage on our cars is 10% too high 

well with changes of tyres for stretched etc etc etc  then yep, i doubt if ANY speedo therefore milage is accurate

i know mine over-reads 5mph across the board according to the sat nav 

[Ben Lessani]

My MFA tells me I'm doing 7 MPG at about 20 MPH on the motorway

In reality its more like 45 MPG at about 100 70 MPH.

I've always gotten pretty good fuel economy though, but I put it down to how dense the cold air is, with it being -40 degs Celsius outside - or maybe my MFA is lying about that too

I don't even trust my MFA for the clock, as its never been right since I got the car - I cannot be bothered waiting till midnight just to pull the fuse and set the clock.

[gstar-dubworld]

Better than guessing I suppose..

Mine averages 27~32 to the gallon and on a long run closer to 40, work our the total numbers of litres to a full tank, reset the trip counter and see how far your money takes, it's just sums at the end of the day don't need the MFA to tell you..

[Chris36]

Thanks guys its answered my question - No. Its not reliable!! Best to work it out yourself. I will take a note of the miles once I fill it up.