roedge Posted 3 hours ago Report Share Posted 3 hours ago Anyone have this problem? I just put a new battery in about 3 weeks ago. Wife called yesterday and was stuck at a QT. Said car was dead. Got there and like before when I replaced battery there were no dash lights or interior lights. So I jumped the car and it started just fine. I then drove it home (20 mi) and turned car off. Then decided to go to auto zone and have alternator tested. Turned car of there and they did a battery test (not sure kid who tested it got good connection since he was having problems with meter) and it tested bad. So I pulled battery and took it back to Costco to have it tested to get another battery. It tested as 12.2 volts and 860 CCA available on a 660 CCA battery. This morning started car and everything good. Stuck a volt meter on battery before start and it was 12.2 volts then started car and it read 14.8 volts, so don’t think it’s the alternator. Any ideas were to check next. This seems to be very intermittent. Quote Link to comment Share on other sites More sharing options...
1004ron Posted 3 hours ago Report Share Posted 3 hours ago Welcome. 14.8v seems a little high. When you replaced the battery did you reset the BMS (Battery Monitoring System)? It could also be a parasitic drain - do a search for that and you'll find a few good YouTube videos on how. Places like AutoZone have testers that check the CCA, Cranking Voltage, and Charge rates - have them do that. Quote Link to comment Share on other sites More sharing options...
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