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  1. gauges glitching? battery issues, please help.

    Mustang EcoBoost Electronics
    I recently been getting a dead/weak battery issue, obviously its just the battery, not the alternator, had the battery tested, it holds a charge for a while, but tends to weaken after 2-3 days. I have another issue possibly related, not sure. My gauges seem to be acting funny. My average mpg...
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