Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - View Single Post - How accurate are are factory/OEM MPG fuel economy gauges ?

Ladogaboy · 02-07-2012, 11:16 AM

Mine came pessimistic from factory, but still fairly accurate. After changing tires (new ones slightly smaller diameter), the gauge is actually more accurate. Still, only dealing with +/- 3%.

02-07-2012, 11:16 AM	#6 (permalink)
Ladogaboy Master EcoModder Join Date: Oct 2011 Location: Los Angeles Posts: 588 Ladogaboy - '11 Mitsubishi Lancer EVO GSR Team Emperor 90 day: 27.64 mpg (US) E85 EVO - '11 Mitsubishi Lancer EVO GSR 90 day: 21.38 mpg (US) Thanks: 59 Thanked 59 Times in 47 Posts	Mine came pessimistic from factory, but still fairly accurate. After changing tires (new ones slightly smaller diameter), the gauge is actually more accurate. Still, only dealing with +/- 3%. __________________