Car does not want to start. Help!

[AFBeefcake]

Sometimes I try to start my car and all it does is spin over and over, but once I press the gas petal to the floor it will start and sputter then smooth out and run ok.

Also if I have the car running with the AC off the car ides at around 500 RPMs and seems to miss. But with the AC on the car idles at 800 RPMs and seems to run fine

What I've tried

Fuel injector cleaner
Cleaned out the EGR lines
Fuel presser is at 36 PSI with the pump on and 29 PSI with the motor running.
I ran some new ground wires to the motor.
On my MSD ignition controller I can see that sometimes some the coils are not firing with the AC off.
If I remove the vacuum line marked R from the throttle body and blow into it I can hear air coming out some ware near the EGR vale.
Spark plugs were changed about 38,000 miles ago