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Last Updated: Jun 1st, 2009 - 09:34:53 |
Reader Question: My 2002 Lexus IS300 car worked fine for a few weeks after purchased a new battery.
It now will not turn over at all if left turned off for a while. It will jump start immediately with the boost of another vehicle.
I am wondering if it is the starter or alternator but not sure which one exactly and I do not want to get scammed by a mechanic in my town. Ill do the work myself.
Any help would be greatly appreciated.
Thanks.
Alec
Hey Alec,
If you can jump-start the engine from another car then I can only suspect YOUR battery is dead. You could have a bad alternator, which is not re-charging the battery when the engine is running or you could just have a bad "new" battery.
I would triple check your battery cable installation and make sure the cables are clean and tight. You should not be able to move the cables with your bare hands easily.
I would really like to see you get a complete electrical test, which should include the following:
1. Load test battery - is there an internal problem with the battery.
2. Check alternator output - is the alternator recharging the battery properly.
3. Check for a voltage drain - is something ON when the engine is OFF?
Blessings,
Austin Davis
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