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Hello sorry if this was posted before. I have a 2006 heritage flst and at idle it is like the carburetor is loading up sometimes it will die and sometimes it pops and backfires before take off. out on the highway it seems to run fine I ran a diagnostic and came up with codes po374 and po562 is one of them my problem thanks for any help
 

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Charge the battery overnight to see if the problem goes away. The battery should measure at least 12.8v across the terminals at static.
 
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