Toyota Repair: 2004 Sienna wont start, air control valve, maf sensor

Question
My wife is due with our third child any second, so anything you can do will be appreciated!  It's not throwing any codes but won't start.  Occasionally it will idle up briefly and then die again.  Battery and MAF sensor have been replaced (MAF threw a code initially showing the same signs and symptoms, but didn't fix the problem). PLEASE HELP!

Answer
Probably a problem with the idle air control valve, this is common, the IAC valve can be hanging up and cause extremely hard starting and stalling, the solution is to remove the throttle body and then remove the IAC valve and clean it and the throttle body with a brush and carb cleaner to remove the carbon deposits.