Ok, whenever I start my TA, it idles pretty weird. Never goes above 1000rpms, but it'll get really low, like down to 300rpms. It's only died once while I let it warm up. It's REALLY bad if I have the A/C or the vents on. But it'll start to bog down, then usually bumps up to 1000rpms, then slowly drop back down. After I drive a block it idles down around 600, maybe a little less if the A/C is on (which also sounds like satans little brother is living under my hood when it's on..)
Ok, I posted this earlier but the topic sounded dumb and I don't think it was getting noticed. any clues what to check for here?

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'86 WS6 Trans Am

 

I too had a problem with idleing. It wasn't quiet like yours but if it helps. I replaced my throttle position sensor and no more problem. I hope it helps.