nickmick Posted October 24, 2011 Share Posted October 24, 2011 Hi All, I am a relatively new 350z owner since I only bought the car 2 months ago. When i bought it i am sure I was getting 25-30mpg. Recently though its been telling me on the computer that i'm only getting about 2.6-2.8 mph. Has anyone else ever experienced this? At first i thought it would change but its been like that the last 100 + miles Quote Link to comment Share on other sites More sharing options...
Southernspeed Posted October 24, 2011 Share Posted October 24, 2011 Have you tried resetting it? That's worse than mine! Quote Link to comment Share on other sites More sharing options...
spursmaddave Posted October 24, 2011 Share Posted October 24, 2011 Can you not work out by how much petrol you are putting in what you mpg is? Quote Link to comment Share on other sites More sharing options...
Cragus Posted October 24, 2011 Share Posted October 24, 2011 Can you not work out by how much petrol you are putting in what you mpg is? If you have recently reset it it might take a few miles to calculate a figure. Quote Link to comment Share on other sites More sharing options...
Ozz Posted October 24, 2011 Share Posted October 24, 2011 2.8 mpg?? Are you in first gear?! I get 22.8 and it rarely changes but I do the same route every day. Quote Link to comment Share on other sites More sharing options...
Mega Posted October 24, 2011 Share Posted October 24, 2011 LOL I do 12 miles of stop start and average 14-15mph. Give it a boot from time to time. But still get 17.2 Are you SURE you men 2.8 and not 22.8? 2.8 is clearly an error. Software feck up, sensor issue or not yet properly calculated. Unless of course we have a simple case of PEBCAK here Quote Link to comment Share on other sites More sharing options...
CrumbMC Posted October 24, 2011 Share Posted October 24, 2011 Is the fuel system even capable of pumping that much fuel through? i completely rung the neck out of my Z in the fist month of owernship and the MPG was still in the mid teens. few solutions: its actually 22.8 mpg - this is an entirely normal figure software or sensor error hole in fuel tank / fuel system Youre driving flat out in 1st everywhere Try resetting it and se what happens Quote Link to comment Share on other sites More sharing options...
sasha@lazytrips Posted October 24, 2011 Share Posted October 24, 2011 You have done one of three things: 1. You reset the trip calc recently and it is adjusting. 2. You have gone around 7,000 miles since the last reset at which point the calculator begins losing out on a digit in its calculations and presumes that you have spent XXXXX amount of petrol to go 25 kilometres (10,025 in reality). This happened to me, so I reset it and waited a few months and it did it again 3. Your car leaves a trail of petrol everywhere it goes through a crack in the tank. Quote Link to comment Share on other sites More sharing options...
Chris`I Posted October 24, 2011 Share Posted October 24, 2011 2. You have gone around 7,000 miles since the last reset at which point the calculator begins losing out on a digit in its calculations and presumes that you have spent XXXXX amount of petrol to go 25 kilometres (10,025 in reality). This happened to me, so I reset it and waited a few months and it did it again I could well see that happening. Nissan presumably assumed that people wont do trips over 10k and perhaps the logic cant cope with 10k+ milage in a trip. Try resetting it and see if that cures it I guess Also make sure the display is working right and not lost the left hand digit. Maybe check the clock to make sure it shows all the numbers of the display? Quote Link to comment Share on other sites More sharing options...
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