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I think we might have an answer!!!
Ok! At the risk of jinxing myself as well, I think I found the solution to our problem. I dont know if anyone else's gives them the same rev issue mine did this week. Tues my car at a parked idle would start to jump from about 900RPM's and bounce to about 1100RPM's and then repeat. I've never had this problem. So as any of us say when our pricey toy's start to give us more sh*t, "What now!?". After looking over every wire and component that i've replaced, nothing. Then my machanic's buddy pointed out something very simple that I had never though of messing with, the fricken "IAC"! I had spent so much on all the other componets that that completly slipped my eye and mind. Upon removal of my IAC (Kind of a cylindrical tube with two bolts and two hoses on the front side of the intake) I was embarrased. There are to ports inside that valve (in and out). The port that takes in air has a mesh screen that was clogged to all hell!! Upon usage of some carb cleaner and some hi pressure air, she looked good as new.
*Side note: If your gonna work on this, let the car cool due to a coolant line that is connected to it as well!! I was in a hurry, Ouch.
After bolting it back up, it was as if she was reborn! I have never heard my car idle and sound so good. However, you will need to clear the storred codes for it to act right. Mind sounded better until I cleared everything out, then it was a night and day diff. I dogged her out on the streets for a while to see if a could pull any codes, nothing at the time. Her response on speed and throttle increased and her idle is smooth as silk. I spent all that money just to use a $5 dollar can of cab cleaner and some air! Now I did all that work on Tuesday. I didn't want to get yalls hopes up till I really put it through some tests. I did get a code yesterday but thank god it wasnt a misfire! A p0130 and p0131 popped up. No big deal really, O2 sensor malfunction bank 1 , O2 sensor low voltage bank 1. I can deal with that any day!! Cleared the codes on that right after and they havent come back. I even checked my plug's yesterday just to see if cyl 1 & 2 had fouled out, but ALL of my plugs were clean. Its the IAC guys! Thats my bet. Clean your IAC's. Speckthedeck and Itzroyal, try and see if you can mess wit it this weekend and let me know what happens to yours. It'll take about 20min to take off. Good luck guys!!!
Last edited by Blackspyder; 06-13-2009 at 09:21 AM.
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