cornish6544 Posted October 15, 2016 Share Posted October 15, 2016 My wrx is mapped with a simtek ecu and seems to be ok for fuel for a subaru but i would love to be able to track my mpg like you could in a modern car. I am just wondering if there is anything you can buy to maybe plug in to read my mpg accurately also as I'm not sure how accurate my fuel dial is. Quote Link to comment Share on other sites More sharing options...
stants Posted October 15, 2016 Share Posted October 15, 2016 Plenty of apps to do this, Easiest way is to keep your petrol receipts, log your mileage at every fill up then do the maths the next time you fill up again. Classic gauges are notoriously rubbish Sent from my SM-G930F using Tapatalk 1 Quote Link to comment Share on other sites More sharing options...
david1972 Posted October 15, 2016 Share Posted October 15, 2016 I use an app called 'mileagekeeper' on my iphone, as well as fuelly online Sent from my iphone using Tapatalk Quote Link to comment Share on other sites More sharing options...
Mark D Posted October 15, 2016 Share Posted October 15, 2016 Just fill up to the top, reset miles, fill up to the top again, see how many litres it is compared to your miles. Started doing this after the exhaust on my escort hit one of those folding poles/bollards which pushed it back and hit my petrol tank making the gauge always read full. When your light turns on you have 9-10 litres of fuel Sent from my iphone using Tapatalk Quote Link to comment Share on other sites More sharing options...
matmidgley Posted October 17, 2016 Share Posted October 17, 2016 I use http://www.fuelly.com/car/subaru/impreza/2006/MATMIDGLEY/325897 To keep an eye on mine. Quote Link to comment Share on other sites More sharing options...
cornish6544 Posted November 10, 2016 Author Share Posted November 10, 2016 Cheers for the replies didn't even know apps like this exsisted Quote Link to comment Share on other sites More sharing options...
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