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ignition coil

  1. Alternator issue? - Is ignition coils and spark plugs can be cause?

    MD ( 2011-2016) Elantra sedan/coupe
    Hello, I changed ignition coils and spark plugs then battery light flickering and alternator voltage reading 12.6V same with battery. I recharge battery with CTEK but still flickering sometimes and alternator voltage reading is 12.6V. Is ignition coils and spark plugs can be cause of this...
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