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Battery runs low at idle

  

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Hey ,mrs .Scotty appreciate your channel. Been watching you now for about 5 years. My question is about a 1997 buick lesabre custom 47000 miles. My car battery runs low while idling and nearly stalls out. Once i put it in park the car runs fine again. We checked the battery and alternator and fine. I changed the battery screws and the the terminal cables aren't loose. 


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Posted by: @jzap574

My car battery runs low while idling

Are you referring to the dash light for the battery?

Posted by: @jzap574

We checked the battery and alternator and fine.

If both battery and alternator are 'good', then it sounds like you're describing the battery light/indicator coming on when the engine is in gear and at idle. Is this correct?


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What is the voltage at idle, measured at the battery terminals?

Also, you did not mention how old the battery is. Have you had it load tested?


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Posted by: @jzap574

Hey ,mrs .Scotty appreciate your channel.

Missus? Did Scotty go Doubtfire on us? 😆  

 

Posted by: @jzap574

My car battery runs low while idling

How do you know?


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