What exactly is the wax element? Is it a part of the ISC or another part? I replaced my ISC several years ago but I still have a cold high idle of 1,800 +/- rpm. Over a minute or two the idle speed smoothly drops to around 750 but I sure don't like a cold start going immediately to 1,800.
Thanks,
Jim
Tulsa
'89 two door v6 auto