Honda CRX Instrument Cluster Gauges Tachometer

When I Fill Up The Tank The Needle Doesn't Move Till About A Day Later And Even Then It Doesnt Move To The Full Sign. When I Waste Gas It...

What Drives The Tachometer Is It In The Distributor Or Where? How Do I Fix It As It Does Not Register Right

1990 Honda Crx. 143,000. 5spd. My Tachometer Is All Over The Place. There Is No Noticeable Change In Engine Speed. There Are No Strange...