46 is right. Toofast idle will cause it. Many of those of that era had an idle selenoid for that reason. Also a vacuum leak can cause it. If it is an auto trans. you can help by turning the ignition off while it is still in drive. smile


They say money can't buy happiness. It can buy old Chevy trucks though. Same thing.
1972 Chevy c10 Cheyenne Super
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