Greetings all, its been a while, took Bonnie over the Rockies for christmas, what a sheet-show!! Also experienced my first moment of wishing I was in a newer car, icy highways suck with no ABS or trac-control, anyway safe and sound.
My problem is this, just after I returned to Victoria from Calgary, (-30 with windchill), the car starts occasionally with a high idle, anywhere from 1500 rpm to 2500 rpm. Linkages are clear, and I suspect a faulty sensor or electrical issue. Any suggestions where I might start my hunt for the culprit?

Thanks
1987 Bonneville LE