Poor acceleration.. gauges on the dash jump all around. rough idle..

What is your question?

Every time I drive.anytime motor is hot or cold the car drives out good (highway) gAuges flop around when I turn car off..poor acceleration all the time slow start most of the time

What makes this problem better or worse?

Nothing it's always

How long has your 1995 Pontiac Grand Prix had this problem?

About 3weeks