Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - View Single Post - 95 Saturn Strange VSS Readings past 50 mph

junker · 02-25-2009, 08:03 AM

On my 95 Saturn SW2 I seem to get accurate VSS readings up to 50 mph. As I continue to accelerate past 50 the speed on the MPGuino decreases until I reach 59 mpg (on the speedometer) at which point the MPGuino reads 0. So basically once I hit 50 it starts counting backwards until it hits 0 when I am really going 59.

My VSS Pulses is set to 10000.

Can this be caused by too much wire length between my ECM and my MPGuino?

Thanks.

02-25-2009, 08:03 AM	#1 (permalink)
junker EcoModding Lurker Join Date: Feb 2009 Location: Maine Posts: 15 Thanks: 0 Thanked 0 Times in 0 Posts	95 Saturn Strange VSS Readings past 50 mph On my 95 Saturn SW2 I seem to get accurate VSS readings up to 50 mph. As I continue to accelerate past 50 the speed on the MPGuino decreases until I reach 59 mpg (on the speedometer) at which point the MPGuino reads 0. So basically once I hit 50 it starts counting backwards until it hits 0 when I am really going 59. My VSS Pulses is set to 10000. Can this be caused by too much wire length between my ECM and my MPGuino? Thanks.