Rough idle when car starts?

**jjwalton77** · 06-17-2012

I posted a couple weeks about how my idle was bad and i wasnt sure what was causing it, well i took apart and cleaned the throttle body, and found a tear in a vacuum line. I fixed the line and it ran well for a day or so, now its been getting worse, with the rpm jumping from 500 to 2000 while at idle and every once in awhile it will make the car stutter when accelerating. Any body have any ideas what's causing this? Fuel pressure stabilizer? If so, how would i go about replacing it?
Thanks guys.

**Impala131** · 06-17-2012

Hmm, my first instinct is to say MAF sensor. Got any codes? Get them scanned, look for a P0102.

**t24moore** · 06-19-2012

Spray around your engine bay with carb cleaner, you may have a vaccum leak. The plastic hose that comes off the supercharger could be cracked somewhere. But like stated above do you have any codes?