So i finally got my car running a few weeks ago. It felt good however it sometimes took a few seconds longer to start (no big deal). Well i went on vacation ( I disconnected the battery while away). Car sat for 11 days and now it wont idle. While im on the gas it feels fine however as soon as i let off the car drops to 1K for a few seconds then goes to 500 and then just dies. It starts back up and idles until i hit the gas. After hitting the gas again it drops back down and dies. Any ideas..

 

dang 42lb injectors kinda big aint it?

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yea but the computer is tunned for it and i plan on spraying the car

 

Have you checked the IAC valve? Check the IAC passages to make sure they are clean. Using a scanner, check the IAC "counts" to make sure the IAC isn't max'd out and unable to supply sufficient idle air. Just watching the PCM's attempts to modulate the IAC valve, using a scanner or scan software may show you what is happening.