Stumble, Stall on idle after driving

[mjdwyer23]

Hey guys
I need some help with my car. Everything was fine until last week, when one day i was driving and after about an hour the car stumbled a few times then stalled at a light. It started right back up, but did it again later that day. The next day it was fine, but today it did it again. The stumbling is like the engine being cut off and on repeatedly, then it stalls. Everything is hooked up fine and there were no changes made in between the occurences. Thanks for your help!

 

[scgnx]

IAC valve is probably dirty and/or needs to be adjusted..Do a search here on IAC, you'll get more info than you can handle.
Also, TPS and MAF can be at issue, even if Engine service light isn't
flashing.

- Scott

 

[Worthog]

Also check to make sure the postive battery cable going to the starter isn't shorting out on the passenger side exhaust header.