andrewl570 Posted April 9, 2004 Share Posted April 9, 2004 Hey i just got the IS 300, its a 2004 and im only getting around 14 miles per gallon. I have 1000 miles on the car right now, does anyone else have this problem? Is this normal and what should i do? Quote Link to comment Share on other sites More sharing options...
bartkat Posted April 9, 2004 Share Posted April 9, 2004 It's not normal. You should get about 20 MPG city and 25 MPG highway. Of course your local day to day mileage depends a lot on how often and how hard you get on the pedal. Give it some more time and check your mileage on a trip of 200 miles or more. Quote Link to comment Share on other sites More sharing options...
andrewl570 Posted April 9, 2004 Author Share Posted April 9, 2004 20 in the city, im getting 14, thast a big difference, i htink on a 300 mile trip i took to gainesville i only got like 20. Does the car get better miles as it gets older? Quote Link to comment Share on other sites More sharing options...
bartkat Posted April 9, 2004 Share Posted April 9, 2004 The car will get better with miles, but not that much better. Maybe 1 or 2 MPG at best. At 1000 miles it should be broken in pretty well. Maybe you should have it checked. If you want to try this you can reset your ECU so it goes back to default settings and then drive normally for 200 to 300 miles and then check mileage again. I do know it will be peppier right after an ECU reset. To do this just disconnect the negative (black wire) battery terminal for about 30 minutes, then reconnect. Start the engine and let it run about 5 minutes, and then take it for a test drive. You'll have to reset your radio, etc after the disconnect, so be sure to have your code handy. Quote Link to comment Share on other sites More sharing options...
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