what is causing my speedometer to start sticking and oil pressure gauge on high

What is your question?

At times my speedometer is stuck between 10 and 40 mph when I haven't started moving and when driving moves slowly. other time it's fine or at least I think. It is starting to get worse. I was cited for doing 80 mph when my speedometer was reading 70 on cruise control. My oil pressure gauge is stuck on the high side all of the time.