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226 captiva only starts a few times, then won't crank

blakemagerblakemager Member Posts: 2 ✭
edited August 2016 in Engine Discussions
I have a 2007 rinker 226 captiva with 5.7 volvo penta gi motor. Recently it has been having a problem where it will only start a couple of times, and then after a few starts it won't crank. After charging the batteries (two batteries) it will start another couple times. Do I have a bad alternator, or maybe bad batteries? I'd have a hard time believing that both the batteries went bad at the same time. Thanks for the help
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    Cableguy GregCableguy Greg Member Posts: 5,012 ✭✭✭✭✭
    I would start with the batteries. If they are connected together, the dead one can drag down a good one. Check the specs on the batteries. Merc requires 1000MCA for their engines. I am not sure about Volvo, but it should be close to the same.
    2008 280 Express Cruiser, 6.2MPI, B3, Pittsburgh, PA "Blue Ayes"
    Go Steelers!!!
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    blakemagerblakemager Member Posts: 2 ✭
    Cableguy Greg, I will try what you said to do, but I will add that I ran an alternator test with my battery charger and it failed when connected to either battery.
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