Question about 1995 Buick LeSabre
I've been having issues with my LeSabre. It occurs almost always after starting the car. I will start it, put it into gear and it will die for a second or two before coming back on. It usually does not happen going down the road, more often it happens before I even get on to the road (usually pulling out of the parking lot area). I've noticed that the radio clock and other lights go out, and every time it dies it happens as I'm either rolling down the electric windows or turning on the radio.
I'd had these same issues about two months ago. Back then it had died while going down the road and did more of the same just after starting the car. I had corrosion in the battery terminals so I cleaned them. It fixed the problem for a while but it started happening again before the battery finally just died. Turned out I didn't tighten the cables back to battery tight enough and it drained the power. I had the battery recharged, put it back in, did a re-learn, and it worked fine for a while. Now the same problems are coming back and the cables are tightened to the battery very firmly.
I've tried jiggling the battery cables and rolling the windows up and down and turning the radio on and off attempting to locate the problem but I have trouble re-creating the issue. It happens when I don't need it to and won't happen when I do! Figures! Is there something wrong with the computer? The battery? Could it be the distributor caps? It needs new ones, they're rather corroded... Thanks for any help!
Electrical problems of an intermittent nature are the most difficult to solve. It sounds as if something is draining the battery. The charging system needs to be checked with diagnostic equipment. Something like a parasitic drain may be causing the battery to run down and the alternator cannot keep up with the demand. When something like power windows are activated, they draw a higher amount of current to get started than they need to keep rolling, and this surge of energy may be robbing the injectors of the current they need to allow fuel delivery. I experienced a problem like this on a customers car, and we found that the trunk light was staying on when the lid was down. This was enough to keep the battery from becoming fully charged, and the alternator had to be replaced from being over-worked.
Posted on Sep 28, 2008
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