Question about 1999 Chevrolet Lumina

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Battery, O2 sensor, transmission miss fire

We just purchased a 1999 Chevy Lumina and we have two lights that come on the one is the service engine soon light and the other is the volts light. We took the car to auto zone and had them hook up the machine for the codes and it said that we had a bad O2 sensor and a miss fire. Well that is not the only problem. The battery will not hold a charge longer than three days and going up hills are about impossible. What could be the problem or problems? What should we do because this is our only vehicle so we need it fixed.

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Change O2 sensor as we all breathe air,Now battery ?? try disconnecting it ,then with nothing on touch battery lead too terminal and see if you get a spark ?? no spark then battery cells shorting out across the plates caused by sulphation ,,cure put battery on a small charger for about a week to try to de sulphate the plates.Small discharge when touching lead to terminal then a boot light is on or an alarm system.Another trick is to discinnect the big wire on the back of the altenator and leave car for three days to see if goes flat as a dodgy diode in the rectifier will give the same fault.

Posted on Jan 10, 2009

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