Could be a number of reasons: Worn-out shocks, wheels out of balance, worn-out tires (or all of the above)
bad wheel bearings will do that, usually in the front.
bigboy@.com
Monaco is the name of the country, while Monte-Carlo is a district within Monaco.
Knowing the firing order of a car while driving it can help troubleshoot any engine problems later. The firing order for a 2000 Chevy Monte Carlo is 1-6-5-4-3-2.
engine rubber mounts or timin out
It's either air or fuel, that's what I was told when mine sputtered and stalled. Look at those 2 things hope that helps.
Check your motor mounts.
While a 74 Monte might be considered a "classic", such a car is not considered collectible and likely never will be.
its time to change your thermostate
The 1995 Monte Carlo could have a vacuum leak. An engine vacuum leak can make the car idle up and accelerate.
"Chevy started making the Monte Carlo in 1970 and it was made with various changes until 1988. They brought it back for a while during 2000-2007, but it is no longer being produced."
I have a 2003 Monte Carlo SS and the only time it turned off on me was when my radiator had broken and the car was over heating. Its turns off so it wont explode.