95 Saturn Strange VSS Readings past 50 mph

[junker]

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.

[dcb]

FWIW, I've not heard of this problem in a saturn before.

You could try setting "VSS Delay ms" to 1 and see if that helps.

[junker]

Yes. That worked. Thanks.