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95si 2.3l vtech killing batterys and idling crazy

 
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Old 10-04-2016, 12:39 PM
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95si 2.3l vtech killing batterys and idling crazy

I have a 95 Honda Prelude si 2.3 vtech. When car gets warm it starts idling crazy between 1000 to 2500 rpm back and forth. The alternator tested 12.4 so I purchased a brand new one and it tests the same a 12.4 with car running. Constantly killing the battery and the battery is brand new. This is a dirt track car so it has modifications done to it. Bigger injectors, bigger cams, supposedly the ecu has been flashed. I just purchased the vehicle. Any help much appreciated. Thank you
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Old 10-04-2016, 01:39 PM
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Re: 95si 2.3l vtech killing batterys and idling crazy

it could just be the battery. I had a similar issue with my bimmer. I was charging my battery to 14.5 but it was dying while the car is running so I changed my alternator and still the same issue. it turned out to be the battery.
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Old 10-05-2016, 08:13 AM
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Re: 95si 2.3l vtech killing batterys and idling crazy

1.Start the car
2.Pop hood
3.Disconnect negative.

If your car stays running, the battery is the issue. If it don't, change alternator.

Stay away from Duralasts, poni up for diehard or interstate
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Old 10-05-2016, 02:20 PM
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Re: 95si 2.3l vtech killing batterys and idling crazy

Awesome! Thank you so much guys
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