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2002 buick lesabre won't jumpstart. Car ran fine

2002 buick lesabre won't jumpstart. Car ran fine when going to the store. Came back out to go to work and had no juice at all. Attempted to jumpstart and am able to get response from electrical system only intermittently. Ground and connection appear to be fine. Sometimes the clock will come back on, sometimes there is no response at all. Computer problem perhaps?

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There are a couple of factors here:

  1. If you noticed the car getting harder to start when warm lately, it could be the starter is bad; a bad starter will work when cold but once it heats up, will require more and more power to turn over
  2. Bad battery; a dead battery won't turn the car over even with a jump; it would need a slow charge to work again; even sealed batteries have caps that can be pried open to do a cell check (battery cell checkers inexspensive at the auto parts store) if you have 1 dead cell, the battery needs replacement
  3. Corrosion; just because the posts and cables may be clean at the battery, doesn't mean there's no corrosion on the other ends of the cables
Hope this answers your question and gives you a good place to start. All the best.
Greg

Posted on Jul 17, 2009

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