Just a guess, check the alt. belt.
If its a high pitch squealing while accelerating, then the previous owner may have turbocharged, or supercharged the engine.
It is the alternator....
you probly have a belt slipping, a can of belt dressing should stop the sound
check your wheel bearings
what kind of noise?
Bad ignition coil
It could be one of the belts. Usually the power steering belt, you can buy belt dressing at an auto parts store. It also might need to be replaced if it's really old. Hope this helps.
Check for loose or worn serpentine or drive belts.
Sounds like a loose or worn belt, alternator or fan tends to do that when they get worn or loose.
Most common culprit is a slipping belt.
A worn belt will cause a squealing noise. The squealing noise is caused when the belt slips. Tightening the belt will temporarily fix the problem.