96" buick lesabre custom hestitates when accelerating at any speed, and hesitates...

River23

New Member
...when idling. Car also shakes For the past two weeks, after starting my car, shakes and hesitates while idling. When I accelerate, it hesitates and jumps quickly into the next gear. When sitting at a traffic light, I noticed that when it hesitates, the rpm and the battery needles go up and down a bit. When the light panels are on they dim when it hesitates. If the heater is on high the blower slows down. What could it be? I had a series of replacements done in the past two months: new radiator, new water hoses[upper and bottom], manifold, oil change. After i had the hoses placed on my car started up with this problem.
 
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