Originally Posted by waldig
Could be a vacuum leak, easy to check by getting a simple gauge and some hose to reach the engine thru the window. Get a youngster to listen to the idle and see if they hear a vacuum leak is an alternate, they still have the high freq hearing that fades with cars and age..........Woody
Checked no vacuum leak.
Thanks for your suggestion.
I still am having the problem- drove yesterday about 10 miles, slight hesitation after warming up, the car's RPM's did not crash down like it did when I drove it over 100 miles on Monday.