I had this problem with a 1996 Neon. The speedometer worked intermittently
then stopped the gas also. There is a recommended fix in www.neon.org Basically to remove the cluster and re solder some...
You normally replace it with a new belt and this requires some physical labor, tools, and a lot of learning how to get to it.
Go to your local library for a motor manual before you tackle this job.
First, did you change your original equipment tire size? If not, many shops have dynomometers that can calculate how far off your speedometer is, if it is way off there are a few things that you can...
Very common problem in Neons. You have to pull out the gauge cluster and re-solder 20 joints, here is the website to show you how to do that. This works most of the time. Good...