Quote:
Originally Posted by Jay B.
Hello, I took the Box out for a ride today and I noticed when I stop at a light the idle starts jumping up and down from 800-1200 rpms rapidly and its never done that before. Could this be a idle control issue? Thanks for any info!
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I had the same symptoms... turned out to be a filthy throttle body in my case.
After little bonding time with the car, I had a clean throttle body again. While I was in there, I cleaned the MAF sensor too.
I also did the battery disconnect thing that KevinH outlined, and I got my rock steady idle back.