More than likely it is a belt that you hear squealing. It can be loose or just worn out. Inspect all your belts. It can also be a Power Steering pump that is making this noise. Check the fluid level in the power steering pump.
Water from the road has splashed up into the engine serpentine belt causing belt slippage that makes a squealing noise. The sqealing is one of your engine assessories that use the serpentine belt to drive it.
Belt slipping? due to bad adjustment or glazing
Every engine makes a sound when starting ... please be more specific.
Engine lope refers to the sound of an engine at idle speed. A stock engine idles very smoothly. An engine with a high performance camshaft will tend to sound more uneven. It almost takes on a sound similar to a galloping horse.
If the sound is coming from inside the engine, an internal part has failed.If the sound is coming from inside the engine, an internal part has failed.
An engine might sound like a diesel at operating temperature if the engine was a diesel or if there was an issue with the manifold. Sometimes gases escaping the manifold cover could cause the engine to sound different.
The sound of a jet engine vibrates more than the sound of a lawn mower.
It will make no sound, it will just break. When it breaks your engine will stop running. If the engine is an interference engine you will have serious engine damage.
Loose power steering belt/worn power steering belt/defective belt tensioner.
purr
The loud tapping sound can be caused by a complete heating of the engine. Worn tappets can also cause the tapping sound.
There are quite a few things that a sound engineer can do. These sound engineers have the ability to manipulate sounds.