Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - View Single Post - What to believe (ScanGauge & GPS vs. speedometer)

Green Machine · 02-26-2008, 09:24 PM

I used mile markers to check my GPS. Get up to a GPS reading of 60 mph and time yourself between markers. If it takes one minute from marker to marker, it's more or less accurate.

02-26-2008, 09:24 PM	#4 (permalink)
Green Machine EcoModding Lurker Join Date: Jan 2008 Posts: 14 Green Machine - '05 Chevrolet Aveo Thanks: 0 Thanked 0 Times in 0 Posts	I used mile markers to check my GPS. Get up to a GPS reading of 60 mph and time yourself between markers. If it takes one minute from marker to marker, it's more or less accurate.