Speedo out of wack on my 94 camaro

[ThaDyce17]

my speedo goes out of wack around 70mph when i'm flooring it and doesn't let me know how fast i'm going because it's going back down when i'm obviously going faster...anybody know whats wrong?

[TheGr8Schlotzky]

Re: Speedo out of wack on my 94 camaro

I had a similar problem. My cluster went out. More commonly though it's the VSS or vehicle speed sensor. It mounts on the tranny. It's pretty cheap, and easy to replace. Change out that and if it doesn't fix it, the cluster is bad.