Wont hold idle will start with foot depressing gas pedal will run with foot on gas but stalls when foot removed

This could be he Idle Control Valve and is around 50 dollars and a easy fix. Also try STP 5 in 1 fuel cleaner for a couple of tanks if you are using the cheap gas

It sounds like your clutch bearing has gone they are usually on a pendulum system it screeches before it starts to go. Best get it checked.

When you say it wont turn over that implies that you can not hear the starter turning the engine over. If you can hear the starter cranking the engine over but the engine will not start try holding the gas pedal to the floor. Be prepared for the engine to start and let off the gas. If the engine stalls when you let off the gas try starting again but feather the gas pedal after it starts. It it stays running with the pedal depressed than I would agree that there is an issue with the IAC and it may need to be replaced.

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Idle air control valve might be broken or pcv valve pipe broken

All you need to do is hold your foot on the gas pedal to start and hold to keep engine running, hold gas pedal for about 3 minutes then let idle, computer needs to relearn the idle speed thats why it stalls out, hope this helps,

This sounds like a bad idle air control valve, but also make sure the throtlebody is clean, use a toothbrush and some throtlebody cleaner, spray and clean with brush, make sure to open plate by having someone hold gas pedal to floor, after cleaning if truck still stalls then replace the idle air control valve,

Have the idle bypass valve checked, also called idle air control valve.
If that valve is stuck in the closed position, it's not allowing the fuel to bypass the throttle plate to keep it idling, resulting in stalling, but will keep engine running if the pedal is pushed down.

make sure your idle air control motor is working, if you give and hold gas pedal a little will it stay running in drive.

If the battery does not hold a full charge the vehicle will not idle, replace the battery

Before you go changing the idle motor, clean the throttle body out with a spray cleaner and make sure you get into the idle speed motor orifice. Spray the cleaner into the throttle body with the engine off, do'nt be afraid to use it all then let it sit awhile. When you try to start the car it might not want to start, just keep your foot all the way down on the gas pedal and as it starts and clears up just release the pedal slowly. If the car smokes out of the exhaust, thats normal. Hope this works.