The idle on my 1997 3.4L V6 has started acting weird, but ONLY under these conditions:
[ ] Colder outside (under 40 degrees or so)
[ ] Cold engine (first 10-15 min of running)
[ ] When I hit the brakes
[ ] When I'm over 20 mph
When all of these combine, the idle starts to fluctuate from 800 -...
