hesitate

Recently, my 2005 Park Avenue started to stall while driving, but would restart. Also, while driving, it seems to hesitate quite a bit, and the RPMs will go down, the shoot back up. And a couple times, it has refused to start. But started after sitting for a bit. What could the problem be...

I was hoping maybe someone can help out with a problem my 03 PA Ultra. I was coming home today from work and thankfully the problem arose two block away. All of a sudden the car started jerking violently and there was a great amount of hesitation when accelerating. I literally could not press...

Hello Buick Forum, Car info: 2001 Buick Lesabre Custom - 3800 V6 - 199,500 miles. Problem: I have a new development. I am experiencing a hesitation when driving from flat to uphill. When keeping a steady speed (Manual accelerator pedal control or Cruise Control) on a flat road that transitions...