Quote Originally Posted by VX KAT View Post
Is idle of 850 in the "normal range"?
Mine's been idling low, like 400-450, makes it a little rough, but it doesn't stall or anything.
Quote Originally Posted by deermagnet View Post
Our idle spec is 750 rpm when warm. It's totally controlled by the PCM and there's no way to mechanically adjust it. I'm guessing if you're more than 100 rpm out of spec there's something that needs attention. The PCM is trying to keep idle at 750. I'm not saying it's a huge problem. Sometimes these things are hard to track down and you may make it worse.
Maybe the Idle Control Valve is having issues or a vaccum leak somewhere?